23013477 has 10 divisors (see below), whose sum is σ = 34378278. Its totient is φ = 15342264.

The previous prime is 23013449. The next prime is 23013479. The reversal of 23013477 is 77431032.

It can be written as a sum of positive squares in only one way, i.e., 12574116 + 10439361 = 3546^2 + 3231^2 .

It is not a de Polignac number, because 23013477 - 2¹⁰ = 23012453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 23013477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23013479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 141978 + ... + 142139.

Almost surely, 2^23013477 is an apocalyptic number.

23013477 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

23013477 is a deficient number, since it is larger than the sum of its proper divisors (11364801).

23013477 is an equidigital number, since it uses as much as digits as its factorization.

23013477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284129 (or 284120 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 23013477 is about 4797.2363919240. The cubic root of 23013477 is about 284.4422332196.

It can be divided in two parts, 2301 and 3477, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 23013477 in words is "twenty-three million, thirteen thousand, four hundred seventy-seven".