23154513 has 8 divisors (see below), whose sum is σ = 31116288. Its totient is φ = 15314544.

The previous prime is 23154497. The next prime is 23154529. The reversal of 23154513 is 31545132.

It is an interprime number because it is at equal distance from previous prime (23154497) and next prime (23154529).

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

It is not a de Polignac number, because 23154513 - 2⁴ = 23154497 is a prime.

It is a super-2 number, since 2×23154513² = 1072262944534338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23154533) 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, 30006 + ... + 30767.

It is an arithmetic number, because the mean of its divisors is an integer number (3889536).

Almost surely, 2^23154513 is an apocalyptic number.

It is an amenable number.

23154513 is a deficient number, since it is larger than the sum of its proper divisors (7961775).

23154513 is a wasteful number, since it uses less digits than its factorization.

23154513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60903.

The product of its digits is 1800, while the sum is 24.

The square root of 23154513 is about 4811.9136525919. The cubic root of 23154513 is about 285.0221097036.

Adding to 23154513 its reverse (31545132), we get a palindrome (54699645).

The spelling of 23154513 in words is "twenty-three million, one hundred fifty-four thousand, five hundred thirteen".