623531453306212 has 48 divisors (see below), whose sum is σ = 1217557411564032. Its totient is φ = 276993769594880.

The previous prime is 623531453306149. The next prime is 623531453306249. The reversal of 623531453306212 is 212603354135326.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519596308 + ... + 520794955.

It is an arithmetic number, because the mean of its divisors is an integer number (25365779407584).

Almost surely, 2^{623531453306212} is an apocalyptic number.

It is an amenable number.

623531453306212 is a deficient number, since it is larger than the sum of its proper divisors (594025958257820).

623531453306212 is a wasteful number, since it uses less digits than its factorization.

623531453306212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040391588 (or 1040391586 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 623531453306212 in words is "six hundred twenty-three trillion, five hundred thirty-one billion, four hundred fifty-three million, three hundred six thousand, two hundred twelve".