233631312479 has 2 divisors, whose sum is σ = 233631312480. Its totient is φ = 233631312478.

The previous prime is 233631312433. The next prime is 233631312517. The reversal of 233631312479 is 974213136332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 233631312479 - 2⁸ = 233631312223 is a prime.

It is a super-2 number, since 2×233631312479² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233631312179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116815656239 + 116815656240.

It is an arithmetic number, because the mean of its divisors is an integer number (116815656240).

Almost surely, 2^233631312479 is an apocalyptic number.

233631312479 is a deficient number, since it is larger than the sum of its proper divisors (1).

233631312479 is an equidigital number, since it uses as much as digits as its factorization.

233631312479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 44.

The spelling of 233631312479 in words is "two hundred thirty-three billion, six hundred thirty-one million, three hundred twelve thousand, four hundred seventy-nine".