621023401124 has 12 divisors (see below), whose sum is σ = 1242046802304. Its totient is φ = 266152886184.

The previous prime is 621023401079. The next prime is 621023401241. The reversal of 621023401124 is 421104320126.

621023401124 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 621023401093 and 621023401102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11089703564 + ... + 11089703619.

It is an arithmetic number, because the mean of its divisors is an integer number (103503900192).

Almost surely, 2^621023401124 is an apocalyptic number.

It is an amenable number.

621023401124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

621023401124 is a wasteful number, since it uses less digits than its factorization.

621023401124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22179407194 (or 22179407192 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 621023401124 in words is "six hundred twenty-one billion, twenty-three million, four hundred one thousand, one hundred twenty-four".