23431347897340 has 48 divisors (see below), whose sum is σ = 50382286682112. Its totient is φ = 9148730504256.

The previous prime is 23431347897323. The next prime is 23431347897343. The reversal of 23431347897340 is 4379874313432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431347897343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7345984 + ... + 10041223.

It is an arithmetic number, because the mean of its divisors is an integer number (1049630972544).

Almost surely, 2^{23431347897340} is an apocalyptic number.

23431347897340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23431347897340 is an abundant number, since it is smaller than the sum of its proper divisors (26950938784772).

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

23431347897340 is a wasteful number, since it uses less digits than its factorization.

23431347897340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17388826 (or 17388824 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 58.

The spelling of 23431347897340 in words is "twenty-three trillion, four hundred thirty-one billion, three hundred forty-seven million, eight hundred ninety-seven thousand, three hundred forty".