123203331959 has 2 divisors, whose sum is σ = 123203331960. Its totient is φ = 123203331958.

The previous prime is 123203331887. The next prime is 123203332019. The reversal of 123203331959 is 959133302321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123203331959 is a prime.

It is a super-2 number, since 2×123203331959² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123203361959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601665979 + 61601665980.

It is an arithmetic number, because the mean of its divisors is an integer number (61601665980).

Almost surely, 2^123203331959 is an apocalyptic number.

123203331959 is a deficient number, since it is larger than the sum of its proper divisors (1).

123203331959 is an equidigital number, since it uses as much as digits as its factorization.

123203331959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131220, while the sum is 41.

The spelling of 123203331959 in words is "one hundred twenty-three billion, two hundred three million, three hundred thirty-one thousand, nine hundred fifty-nine".