23154135 has 16 divisors (see below), whose sum is σ = 37951200. Its totient is φ = 12047360.

The previous prime is 23154133. The next prime is 23154139. The reversal of 23154135 is 53145132.

It is not a de Polignac number, because 23154135 - 2¹ = 23154133 is a prime.

It is a super-2 number, since 2×23154135² = 1072227935196450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18210 + ... + 19439.

It is an arithmetic number, because the mean of its divisors is an integer number (2371950).

Almost surely, 2^23154135 is an apocalyptic number.

23154135 is a deficient number, since it is larger than the sum of its proper divisors (14797065).

23154135 is a wasteful number, since it uses less digits than its factorization.

23154135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37698.

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

The square root of 23154135 is about 4811.8743749188. The cubic root of 23154135 is about 285.0205586893.

Adding to 23154135 its reverse (53145132), we get a palindrome (76299267).

The spelling of 23154135 in words is "twenty-three million, one hundred fifty-four thousand, one hundred thirty-five".