23001810132 has 24 divisors (see below), whose sum is σ = 61338160576. Its totient is φ = 6571945728.

The previous prime is 23001810121. The next prime is 23001810137. The reversal of 23001810132 is 23101810032.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23001810099 and 23001810108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23001810137) 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, 136915453 + ... + 136915620.

Almost surely, 2^23001810132 is an apocalyptic number.

It is an amenable number.

23001810132 is an abundant number, since it is smaller than the sum of its proper divisors (38336350444).

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

23001810132 is a wasteful number, since it uses less digits than its factorization.

23001810132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273831087 (or 273831085 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 23001810132 in words is "twenty-three billion, one million, eight hundred ten thousand, one hundred thirty-two".