23847122540 has 12 divisors (see below), whose sum is σ = 50078957376. Its totient is φ = 9538849008.

The previous prime is 23847122539. The next prime is 23847122543. The reversal of 23847122540 is 4522174832.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23847122494 and 23847122503.

It is not an unprimeable number, because it can be changed into a prime (23847122543) 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, 596178044 + ... + 596178083.

It is an arithmetic number, because the mean of its divisors is an integer number (4173246448).

Almost surely, 2^23847122540 is an apocalyptic number.

23847122540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23847122540 is an abundant number, since it is smaller than the sum of its proper divisors (26231834836).

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

23847122540 is a wasteful number, since it uses less digits than its factorization.

23847122540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192356136 (or 1192356134 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 23847122540 in words is "twenty-three billion, eight hundred forty-seven million, one hundred twenty-two thousand, five hundred forty".