23687207742 has 16 divisors (see below), whose sum is σ = 51681180672. Its totient is φ = 7177941720.

The previous prime is 23687207707. The next prime is 23687207749. The reversal of 23687207742 is 24770278632.

It is a super-2 number, since 2×23687207742² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23687207691 and 23687207700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23687207749) 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, 179448478 + ... + 179448609.

It is an arithmetic number, because the mean of its divisors is an integer number (3230073792).

Almost surely, 2^23687207742 is an apocalyptic number.

23687207742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23687207742 is an abundant number, since it is smaller than the sum of its proper divisors (27993972930).

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

23687207742 is a wasteful number, since it uses less digits than its factorization.

23687207742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358897103.

The product of its (nonzero) digits is 1580544, while the sum is 48.

The spelling of 23687207742 in words is "twenty-three billion, six hundred eighty-seven million, two hundred seven thousand, seven hundred forty-two".