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23956969 = 37963211
BaseRepresentation
bin101101101100…
…0110111101001
31200002010210011
41123120313221
522113110334
62213251521
7410426251
oct133306751
950063704
1023956969
1112583253
128033ba1
134c6a52a
143278961
152183564
hex16d8de9

23956969 has 4 divisors (see below), whose sum is σ = 24020560. Its totient is φ = 23893380.

The previous prime is 23956903. The next prime is 23957027. The reversal of 23956969 is 96965932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23956969 - 213 = 23948777 is a prime.

It is a super-3 number, since 3×239569693 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23956069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31227 + ... + 31984.

It is an arithmetic number, because the mean of its divisors is an integer number (6005140).

Almost surely, 223956969 is an apocalyptic number.

It is an amenable number.

23956969 is a deficient number, since it is larger than the sum of its proper divisors (63591).

23956969 is an equidigital number, since it uses as much as digits as its factorization.

23956969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63590.

The product of its digits is 787320, while the sum is 49.

The square root of 23956969 is about 4894.5856821594. The cubic root of 23956969 is about 288.2774180353.

The spelling of 23956969 in words is "twenty-three million, nine hundred fifty-six thousand, nine hundred sixty-nine".

Divisors: 1 379 63211 23956969