23233031728531 has 2 divisors, whose sum is σ = 23233031728532. Its totient is φ = 23233031728530.

The previous prime is 23233031728513. The next prime is 23233031728619. The reversal of 23233031728531 is 13582713033232.

Together with previous prime (23233031728513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23233031728531 - 2¹¹ = 23233031726483 is a prime.

It is a super-2 number, since 2×23233031728531² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23233031728331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11616515864265 + 11616515864266.

It is an arithmetic number, because the mean of its divisors is an integer number (11616515864266).

Almost surely, 2^{23233031728531} is an apocalyptic number.

23233031728531 is a deficient number, since it is larger than the sum of its proper divisors (1).

23233031728531 is an equidigital number, since it uses as much as digits as its factorization.

23233031728531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 23233031728531 in words is "twenty-three trillion, two hundred thirty-three billion, thirty-one million, seven hundred twenty-eight thousand, five hundred thirty-one".