23351329 has 8 divisors (see below), whose sum is σ = 24052328. Its totient is φ = 22654080.

The previous prime is 23351311. The next prime is 23351333. The reversal of 23351329 is 92315332.

It can be written as a sum of positive squares in 4 ways, for example, as 12061729 + 11289600 = 3473^2 + 3360^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23351329 - 2⁵ = 23351297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23351297 and 23351306.

It is not an unprimeable number, because it can be changed into a prime (23351369) 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, 16219 + ... + 17599.

It is an arithmetic number, because the mean of its divisors is an integer number (3006541).

Almost surely, 2^23351329 is an apocalyptic number.

It is an amenable number.

23351329 is a deficient number, since it is larger than the sum of its proper divisors (700999).

23351329 is a wasteful number, since it uses less digits than its factorization.

23351329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875.

The product of its digits is 4860, while the sum is 28.

The square root of 23351329 is about 4832.3212848485. The cubic root of 23351329 is about 285.8274057671.

The spelling of 23351329 in words is "twenty-three million, three hundred fifty-one thousand, three hundred twenty-nine".