23077631 has 4 divisors (see below), whose sum is σ = 23513112. Its totient is φ = 22642152.

The previous prime is 23077583. The next prime is 23077633. The reversal of 23077631 is 13677032.

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 23077631 - 2¹⁸ = 22815487 is a prime.

It is a super-2 number, since 2×23077631² = 1065154105144322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23077594 and 23077603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23077633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217661 + ... + 217766.

It is an arithmetic number, because the mean of its divisors is an integer number (5878278).

Almost surely, 2^23077631 is an apocalyptic number.

23077631 is a deficient number, since it is larger than the sum of its proper divisors (435481).

23077631 is an equidigital number, since it uses as much as digits as its factorization.

23077631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435480.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 23077631 is about 4803.9182965575. The cubic root of 23077631 is about 284.7062984406.

The spelling of 23077631 in words is "twenty-three million, seventy-seven thousand, six hundred thirty-one".