23664302140 has 12 divisors (see below), whose sum is σ = 49695034536. Its totient is φ = 9465720848.

The previous prime is 23664302131. The next prime is 23664302149. The reversal of 23664302140 is 4120346632.

It is an interprime number because it is at equal distance from previous prime (23664302131) and next prime (23664302149).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23664302149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591607534 + ... + 591607573.

It is an arithmetic number, because the mean of its divisors is an integer number (4141252878).

Almost surely, 2^23664302140 is an apocalyptic number.

23664302140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23664302140 is an abundant number, since it is smaller than the sum of its proper divisors (26030732396).

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

23664302140 is a wasteful number, since it uses less digits than its factorization.

23664302140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183215116 (or 1183215114 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 23664302140 its reverse (4120346632), we get a palindrome (27784648772).

The spelling of 23664302140 in words is "twenty-three billion, six hundred sixty-four million, three hundred two thousand, one hundred forty".