7623138263844 has 24 divisors (see below), whose sum is σ = 17890139514240. Its totient is φ = 2526357959584.

The previous prime is 7623138263827. The next prime is 7623138263903. The reversal of 7623138263844 is 4483628313267.

It is a super-2 number, since 2×7623138263844² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836013884 + ... + 1836018035.

It is an arithmetic number, because the mean of its divisors is an integer number (745422479760).

Almost surely, 2^{7623138263844} is an apocalyptic number.

It is an amenable number.

7623138263844 is an abundant number, since it is smaller than the sum of its proper divisors (10267001250396).

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

7623138263844 is a wasteful number, since it uses less digits than its factorization.

7623138263844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672032099 (or 3672032097 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 57.

The spelling of 7623138263844 in words is "seven trillion, six hundred twenty-three billion, one hundred thirty-eight million, two hundred sixty-three thousand, eight hundred forty-four".