23132561236 has 24 divisors (see below), whose sum is σ = 42872558400. Its totient is φ = 10898270592.

The previous prime is 23132561233. The next prime is 23132561267. The reversal of 23132561236 is 63216523132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132561233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870261 + ... + 1882588.

It is an arithmetic number, because the mean of its divisors is an integer number (1786356600).

Almost surely, 2^23132561236 is an apocalyptic number.

It is an amenable number.

23132561236 is a deficient number, since it is larger than the sum of its proper divisors (19739997164).

23132561236 is a wasteful number, since it uses less digits than its factorization.

23132561236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752943 (or 3752941 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The spelling of 23132561236 in words is "twenty-three billion, one hundred thirty-two million, five hundred sixty-one thousand, two hundred thirty-six".