23135604 has 12 divisors (see below), whose sum is σ = 53983104. Its totient is φ = 7711864.

The previous prime is 23135599. The next prime is 23135617. The reversal of 23135604 is 40653132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963972 + ... + 963995.

It is an arithmetic number, because the mean of its divisors is an integer number (4498592).

Almost surely, 2^23135604 is an apocalyptic number.

It is an amenable number.

23135604 is an abundant number, since it is smaller than the sum of its proper divisors (30847500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23135604 is a wasteful number, since it uses less digits than its factorization.

23135604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927974 (or 1927972 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23135604 is about 4809.9484404721. The cubic root of 23135604 is about 284.9445013509.

Adding to 23135604 its reverse (40653132), we get a palindrome (63788736).

The spelling of 23135604 in words is "twenty-three million, one hundred thirty-five thousand, six hundred four".