23056729146 has 48 divisors (see below), whose sum is σ = 54913798368. Its totient is φ = 6933544800.

The previous prime is 23056729123. The next prime is 23056729153. The reversal of 23056729146 is 64192765032.

23056729146 is a `hidden beast` number, since 23 + 0 + 567 + 29 + 1 + 46 = 666.

It is a super-2 number, since 2×23056729146² (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 in 23 ways as a sum of consecutive naturals, for example, 418521 + ... + 470396.

It is an arithmetic number, because the mean of its divisors is an integer number (1144037466).

Almost surely, 2^23056729146 is an apocalyptic number.

23056729146 is an abundant number, since it is smaller than the sum of its proper divisors (31857069222).

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

23056729146 is a wasteful number, since it uses less digits than its factorization.

23056729146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889067 (or 889064 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 23056729146 in words is "twenty-three billion, fifty-six million, seven hundred twenty-nine thousand, one hundred forty-six".