23077531 has 2 divisors, whose sum is σ = 23077532. Its totient is φ = 23077530.

The previous prime is 23077519. The next prime is 23077543. The reversal of 23077531 is 13577032.

It is a balanced prime because it is at equal distance from previous prime (23077519) and next prime (23077543).

It is a cyclic number.

It is not a de Polignac number, because 23077531 - 2⁵ = 23077499 is a prime.

It is a super-2 number, since 2×23077531² = 1065144874111922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23077531.

It is not a weakly prime, because it can be changed into another prime (23077511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11538765 + 11538766.

It is an arithmetic number, because the mean of its divisors is an integer number (11538766).

Almost surely, 2^23077531 is an apocalyptic number.

23077531 is a deficient number, since it is larger than the sum of its proper divisors (1).

23077531 is an equidigital number, since it uses as much as digits as its factorization.

23077531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 23077531 is about 4803.9078883759. The cubic root of 23077531 is about 284.7058872102.

The spelling of 23077531 in words is "twenty-three million, seventy-seven thousand, five hundred thirty-one".