1623340277372 has 12 divisors (see below), whose sum is σ = 3099104165976. Its totient is φ = 737881944240.

The previous prime is 1623340277281. The next prime is 1623340277393. The reversal of 1623340277372 is 2737720433261.

It is a happy number.

It is a super-2 number, since 2×1623340277372² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 18447048563 + ... + 18447048650.

It is an arithmetic number, because the mean of its divisors is an integer number (258258680498).

Almost surely, 2^{1623340277372} is an apocalyptic number.

It is an amenable number.

1623340277372 is a deficient number, since it is larger than the sum of its proper divisors (1475763888604).

1623340277372 is a wasteful number, since it uses less digits than its factorization.

1623340277372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36894097228 (or 36894097226 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 47.

The spelling of 1623340277372 in words is "one trillion, six hundred twenty-three billion, three hundred forty million, two hundred seventy-seven thousand, three hundred seventy-two".