23158072782 has 24 divisors (see below), whose sum is σ = 54035503704. Its totient is φ = 7125560784.

The previous prime is 23158072739. The next prime is 23158072799. The reversal of 23158072782 is 28727085132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49482828 + ... + 49483295.

It is an arithmetic number, because the mean of its divisors is an integer number (2251479321).

Almost surely, 2^23158072782 is an apocalyptic number.

23158072782 is an abundant number, since it is smaller than the sum of its proper divisors (30877430922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23158072782 is a wasteful number, since it uses less digits than its factorization.

23158072782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98966144 (or 98966141 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 23158072782 in words is "twenty-three billion, one hundred fifty-eight million, seventy-two thousand, seven hundred eighty-two".