23122613240 has 32 divisors (see below), whose sum is σ = 55086227280. Its totient is φ = 8704983552.

The previous prime is 23122613237. The next prime is 23122613251. The reversal of 23122613240 is 4231622132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17001242 + ... + 17002601.

Almost surely, 2^23122613240 is an apocalyptic number.

23122613240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23122613240 is an abundant number, since it is smaller than the sum of its proper divisors (31963614040).

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

23122613240 is a wasteful number, since it uses less digits than its factorization.

23122613240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34003871 (or 34003867 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 23122613240 in words is "twenty-three billion, one hundred twenty-two million, six hundred thirteen thousand, two hundred forty".