623340117919 has 2 divisors, whose sum is σ = 623340117920. Its totient is φ = 623340117918.

The previous prime is 623340117893. The next prime is 623340117923. The reversal of 623340117919 is 919711043326.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 623340117919 - 2²³ = 623331729311 is a prime.

It is a super-2 number, since 2×623340117919² (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 (623340117929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311670058959 + 311670058960.

It is an arithmetic number, because the mean of its divisors is an integer number (311670058960).

Almost surely, 2^623340117919 is an apocalyptic number.

623340117919 is a deficient number, since it is larger than the sum of its proper divisors (1).

623340117919 is an equidigital number, since it uses as much as digits as its factorization.

623340117919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 623340117919 in words is "six hundred twenty-three billion, three hundred forty million, one hundred seventeen thousand, nine hundred nineteen".