23508891029712 has 80 divisors (see below), whose sum is σ = 69132865356288. Its totient is φ = 6814171309440.

The previous prime is 23508891029711. The next prime is 23508891029747. The reversal of 23508891029712 is 21792019880532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23508891029711) 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 15 ways as a sum of consecutive naturals, for example, 967909918 + ... + 967934205.

Almost surely, 2^{23508891029712} is an apocalyptic number.

23508891029712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23508891029712 is an abundant number, since it is smaller than the sum of its proper divisors (45623974326576).

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

23508891029712 is a wasteful number, since it uses less digits than its factorization.

23508891029712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935844168 (or 1935844162 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 57.

The spelling of 23508891029712 in words is "twenty-three trillion, five hundred eight billion, eight hundred ninety-one million, twenty-nine thousand, seven hundred twelve".