23154265 has 16 divisors (see below), whose sum is σ = 28366848. Its totient is φ = 18140416.

The previous prime is 23154251. The next prime is 23154277. The reversal of 23154265 is 56245132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23154265 is a prime.

It is a super-2 number, since 2×23154265² = 1072239975380450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60264 + ... + 60646.

It is an arithmetic number, because the mean of its divisors is an integer number (1772928).

Almost surely, 2^23154265 is an apocalyptic number.

It is an amenable number.

23154265 is a deficient number, since it is larger than the sum of its proper divisors (5212583).

23154265 is a wasteful number, since it uses less digits than its factorization.

23154265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608.

The product of its digits is 7200, while the sum is 28.

The square root of 23154265 is about 4811.8878831494. The cubic root of 23154265 is about 285.0210921088.

Adding to 23154265 its reverse (56245132), we get a palindrome (79399397).

The spelling of 23154265 in words is "twenty-three million, one hundred fifty-four thousand, two hundred sixty-five".