23128514090 has 16 divisors (see below), whose sum is σ = 45415991520. Its totient is φ = 8410368720.

The previous prime is 23128514081. The next prime is 23128514137. The reversal of 23128514090 is 9041582132.

It is a super-2 number, since 2×23128514090² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23128514090.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105129500 + ... + 105129719.

It is an arithmetic number, because the mean of its divisors is an integer number (2838499470).

Almost surely, 2^23128514090 is an apocalyptic number.

23128514090 is a deficient number, since it is larger than the sum of its proper divisors (22287477430).

23128514090 is a wasteful number, since it uses less digits than its factorization.

23128514090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210259237.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 23128514090 in words is "twenty-three billion, one hundred twenty-eight million, five hundred fourteen thousand, ninety".