23013321 has 8 divisors (see below), whose sum is σ = 30766080. Its totient is φ = 15301392.

The previous prime is 23013307. The next prime is 23013329. The reversal of 23013321 is 12331032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23013321 - 2⁹ = 23012809 is a prime.

It is a super-2 number, since 2×23013321² = 1059225886898082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23013321.

It is not an unprimeable number, because it can be changed into a prime (23013329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8866 + ... + 11163.

It is an arithmetic number, because the mean of its divisors is an integer number (3845760).

Almost surely, 2^23013321 is an apocalyptic number.

It is an amenable number.

23013321 is a deficient number, since it is larger than the sum of its proper divisors (7752759).

23013321 is a wasteful number, since it uses less digits than its factorization.

23013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20415.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23013321 is about 4797.2201325351. The cubic root of 23013321 is about 284.4415905080.

Adding to 23013321 its reverse (12331032), we get a palindrome (35344353).

The spelling of 23013321 in words is "twenty-three million, thirteen thousand, three hundred twenty-one".