23581820013456 has 40 divisors (see below), whose sum is σ = 60921399458464. Its totient is φ = 7860387605760.

The previous prime is 23581820013343. The next prime is 23581820013473. The reversal of 23581820013456 is 65431002818532.

It is a super-2 number, since 2×23581820013456² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5100910 + ... + 8554701.

Almost surely, 2^{23581820013456} is an apocalyptic number.

It is an amenable number.

23581820013456 is an abundant number, since it is smaller than the sum of its proper divisors (37339579445008).

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

23581820013456 is a wasteful number, since it uses less digits than its factorization.

23581820013456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13691599 (or 13691593 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 23581820013456 in words is "twenty-three trillion, five hundred eighty-one billion, eight hundred twenty million, thirteen thousand, four hundred fifty-six".