15623083521220 has 48 divisors (see below), whose sum is σ = 37495766947968. Its totient is φ = 5356433422080.

The previous prime is 15623083521169. The next prime is 15623083521247. The reversal of 15623083521220 is 2212538032651.

15623083521220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15623083521220² (a number of 27 digits) contains 22 as substring.

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, 15511099 + ... + 16487581.

It is an arithmetic number, because the mean of its divisors is an integer number (781161811416).

Almost surely, 2^{15623083521220} is an apocalyptic number.

15623083521220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15623083521220 is an abundant number, since it is smaller than the sum of its proper divisors (21872683426748).

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

15623083521220 is a wasteful number, since it uses less digits than its factorization.

15623083521220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090780 (or 1090778 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 15623083521220 in words is "fifteen trillion, six hundred twenty-three billion, eighty-three million, five hundred twenty-one thousand, two hundred twenty".