23088261491940 has 48 divisors (see below), whose sum is σ = 64648214910720. Its totient is φ = 6156766613760.

The previous prime is 23088261491909. The next prime is 23088261491957. The reversal of 23088261491940 is 4919416288032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423976 + ... + 6808544.

It is an arithmetic number, because the mean of its divisors is an integer number (1346837810640).

Almost surely, 2^{23088261491940} is an apocalyptic number.

23088261491940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23088261491940 is an abundant number, since it is smaller than the sum of its proper divisors (41559953418780).

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

23088261491940 is a wasteful number, since it uses less digits than its factorization.

23088261491940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444852 (or 6444850 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 23088261491940 in words is "twenty-three trillion, eighty-eight billion, two hundred sixty-one million, four hundred ninety-one thousand, nine hundred forty".