23277542644 has 12 divisors (see below), whose sum is σ = 40866684768. Its totient is φ = 11601347000.

The previous prime is 23277542611. The next prime is 23277542677. The reversal of 23277542644 is 44624577232.

It is an interprime number because it is at equal distance from previous prime (23277542611) and next prime (23277542677).

It is a junction number, because it is equal to n+sod(n) for n = 23277542594 and 23277542603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9354682 + ... + 9357169.

It is an arithmetic number, because the mean of its divisors is an integer number (3405557064).

Almost surely, 2^23277542644 is an apocalyptic number.

It is an amenable number.

23277542644 is a deficient number, since it is larger than the sum of its proper divisors (17589142124).

23277542644 is a wasteful number, since it uses less digits than its factorization.

23277542644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18712166 (or 18712164 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 46.

The spelling of 23277542644 in words is "twenty-three billion, two hundred seventy-seven million, five hundred forty-two thousand, six hundred forty-four".