23232551 has 2 divisors, whose sum is σ = 23232552. Its totient is φ = 23232550.

The previous prime is 23232541. The next prime is 23232619. The reversal of 23232551 is 15523232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23232551 - 2⁶ = 23232487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23232541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11616275 + 11616276.

It is an arithmetic number, because the mean of its divisors is an integer number (11616276).

Almost surely, 2^23232551 is an apocalyptic number.

23232551 is a deficient number, since it is larger than the sum of its proper divisors (1).

23232551 is an equidigital number, since it uses as much as digits as its factorization.

23232551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 23.

The square root of 23232551 is about 4820.0156638750. The cubic root of 23232551 is about 285.3419553991.

Adding to 23232551 its reverse (15523232), we get a palindrome (38755783).

The spelling of 23232551 in words is "twenty-three million, two hundred thirty-two thousand, five hundred fifty-one".