23227581940 has 24 divisors (see below), whose sum is σ = 48783008232. Its totient is φ = 9290064000.

The previous prime is 23227581859. The next prime is 23227581953. The reversal of 23227581940 is 4918572232.

It can be written as a sum of positive squares in 4 ways, for example, as 2326518756 + 20901063184 = 48234^2 + 144572^2 .

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, 154722 + ... + 265318.

It is an arithmetic number, because the mean of its divisors is an integer number (2032625343).

Almost surely, 2^23227581940 is an apocalyptic number.

23227581940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23227581940 is an abundant number, since it is smaller than the sum of its proper divisors (25555426292).

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

23227581940 is a wasteful number, since it uses less digits than its factorization.

23227581940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121107 (or 121105 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 23227581940 in words is "twenty-three billion, two hundred twenty-seven million, five hundred eighty-one thousand, nine hundred forty".