123240184290004 has 6 divisors (see below), whose sum is σ = 215670322507514. Its totient is φ = 61620092145000.

The previous prime is 123240184289983. The next prime is 123240184290023. The reversal of 123240184290004 is 400092481042321.

It can be written as a sum of positive squares in only one way, i.e., 62594996890000 + 60645187400004 = 7911700^2 + 7787502^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15405023036247 + ... + 15405023036254.

Almost surely, 2^{123240184290004} is an apocalyptic number.

It is an amenable number.

123240184290004 is a deficient number, since it is larger than the sum of its proper divisors (92430138217510).

123240184290004 is a wasteful number, since it uses less digits than its factorization.

123240184290004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30810046072505 (or 30810046072503 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 123240184290004 in words is "one hundred twenty-three trillion, two hundred forty billion, one hundred eighty-four million, two hundred ninety thousand, four".