23151149694 has 24 divisors (see below), whose sum is σ = 50209142880. Its totient is φ = 7709616288.

The previous prime is 23151149687. The next prime is 23151149699. The reversal of 23151149694 is 49694115132.

23151149694 is a `hidden beast` number, since 2 + 3 + 1 + 511 + 49 + 6 + 94 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23151149699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 600247 + ... + 637650.

It is an arithmetic number, because the mean of its divisors is an integer number (2092047620).

Almost surely, 2^23151149694 is an apocalyptic number.

23151149694 is an abundant number, since it is smaller than the sum of its proper divisors (27057993186).

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

23151149694 is a wasteful number, since it uses less digits than its factorization.

23151149694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238944 (or 1238941 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 23151149694 in words is "twenty-three billion, one hundred fifty-one million, one hundred forty-nine thousand, six hundred ninety-four".