23187269240 has 16 divisors (see below), whose sum is σ = 52171355880. Its totient is φ = 9274907680.

The previous prime is 23187269239. The next prime is 23187269297. The reversal of 23187269240 is 4296278132.

It is a junction number, because it is equal to n+sod(n) for n = 23187269191 and 23187269200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289840826 + ... + 289840905.

Almost surely, 2^23187269240 is an apocalyptic number.

23187269240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23187269240 is an abundant number, since it is smaller than the sum of its proper divisors (28984086640).

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

23187269240 is a wasteful number, since it uses less digits than its factorization.

23187269240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579681742 (or 579681738 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 23187269240 in words is "twenty-three billion, one hundred eighty-seven million, two hundred sixty-nine thousand, two hundred forty".