23642051 has 2 divisors, whose sum is σ = 23642052. Its totient is φ = 23642050.

The previous prime is 23642041. The next prime is 23642063. The reversal of 23642051 is 15024632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23642051 - 2¹⁰ = 23641027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23642011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11821025 + 11821026.

It is an arithmetic number, because the mean of its divisors is an integer number (11821026).

Almost surely, 2^23642051 is an apocalyptic number.

23642051 is a deficient number, since it is larger than the sum of its proper divisors (1).

23642051 is an equidigital number, since it uses as much as digits as its factorization.

23642051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 23642051 is about 4862.3092250493. The cubic root of 23642051 is about 287.0086923274.

Adding to 23642051 its reverse (15024632), we get a palindrome (38666683).

The spelling of 23642051 in words is "twenty-three million, six hundred forty-two thousand, fifty-one".