23158390028 has 6 divisors (see below), whose sum is σ = 40527182556. Its totient is φ = 11579195012.

The previous prime is 23158389979. The next prime is 23158390039. The reversal of 23158390028 is 82009385132.

It is a super-2 number, since 2×23158390028² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2894798750 + ... + 2894798757.

It is an arithmetic number, because the mean of its divisors is an integer number (6754530426).

Almost surely, 2^23158390028 is an apocalyptic number.

It is an amenable number.

23158390028 is a deficient number, since it is larger than the sum of its proper divisors (17368792528).

23158390028 is a wasteful number, since it uses less digits than its factorization.

23158390028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789597511 (or 5789597509 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 23158390028 in words is "twenty-three billion, one hundred fifty-eight million, three hundred ninety thousand, twenty-eight".