1623113421828 has 96 divisors (see below), whose sum is σ = 3934711689216. Its totient is φ = 520423356672.

The previous prime is 1623113421827. The next prime is 1623113421847. The reversal of 1623113421828 is 8281243113261.

It is a self number, because there is not a number n which added to its sum of digits gives 1623113421828.

It is not an unprimeable number, because it can be changed into a prime (1623113421821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11582025 + ... + 11721327.

It is an arithmetic number, because the mean of its divisors is an integer number (40986580096).

Almost surely, 2^{1623113421828} is an apocalyptic number.

It is an amenable number.

1623113421828 is an abundant number, since it is smaller than the sum of its proper divisors (2311598267388).

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

1623113421828 is a wasteful number, since it uses less digits than its factorization.

1623113421828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139713 (or 139711 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The spelling of 1623113421828 in words is "one trillion, six hundred twenty-three billion, one hundred thirteen million, four hundred twenty-one thousand, eight hundred twenty-eight".