623531453306211 has 12 divisors (see below), whose sum is σ = 901012393773960. Its totient is φ = 415523397025440.

The previous prime is 623531453306149. The next prime is 623531453306249. The reversal of 623531453306211 is 112603354135326.

623531453306211 is a `hidden beast` number, since 6 + 2 + 3 + 5 + 3 + 14 + 5 + 3 + 3 + 0 + 621 + 1 = 666.

It is not a de Polignac number, because 623531453306211 - 2⁹ = 623531453305699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (623531453306611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13686518626 + ... + 13686564183.

It is an arithmetic number, because the mean of its divisors is an integer number (75084366147830).

Almost surely, 2^{623531453306211} is an apocalyptic number.

623531453306211 is a deficient number, since it is larger than the sum of its proper divisors (277480940467749).

623531453306211 is a wasteful number, since it uses less digits than its factorization.

623531453306211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27373085346 (or 27373085343 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 623531453306211 in words is "six hundred twenty-three trillion, five hundred thirty-one billion, four hundred fifty-three million, three hundred six thousand, two hundred eleven".