23132013620 has 12 divisors (see below), whose sum is σ = 48577228644. Its totient is φ = 9252805440.

The previous prime is 23132013617. The next prime is 23132013623. The reversal of 23132013620 is 2631023132.

It is an interprime number because it is at equal distance from previous prime (23132013617) and next prime (23132013623).

It can be written as a sum of positive squares in 2 ways, for example, as 3789879844 + 19342133776 = 61562^2 + 139076^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132013623) 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, 578300321 + ... + 578300360.

It is an arithmetic number, because the mean of its divisors is an integer number (4048102387).

Almost surely, 2^23132013620 is an apocalyptic number.

23132013620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23132013620 is an abundant number, since it is smaller than the sum of its proper divisors (25445215024).

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

23132013620 is a wasteful number, since it uses less digits than its factorization.

23132013620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156600690 (or 1156600688 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 23132013620 its reverse (2631023132), we get a palindrome (25763036752).

The spelling of 23132013620 in words is "twenty-three billion, one hundred thirty-two million, thirteen thousand, six hundred twenty".