23651051 has 4 divisors (see below), whose sum is σ = 23975112. Its totient is φ = 23326992.

The previous prime is 23651021. The next prime is 23651057. The reversal of 23651051 is 15015632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23651051 - 2⁶ = 23650987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23651057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161921 + ... + 162066.

It is an arithmetic number, because the mean of its divisors is an integer number (5993778).

Almost surely, 2^23651051 is an apocalyptic number.

23651051 is a deficient number, since it is larger than the sum of its proper divisors (324061).

23651051 is an equidigital number, since it uses as much as digits as its factorization.

23651051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324060.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 23651051 is about 4863.2346231701. The cubic root of 23651051 is about 287.0451069702.

Adding to 23651051 its reverse (15015632), we get a palindrome (38666683).

The spelling of 23651051 in words is "twenty-three million, six hundred fifty-one thousand, fifty-one".