123913963 has 2 divisors, whose sum is σ = 123913964. Its totient is φ = 123913962.

The previous prime is 123913927. The next prime is 123913973. The reversal of 123913963 is 369319321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123913963 - 2²¹ = 121816811 is a prime.

It is not a weakly prime, because it can be changed into another prime (123913973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61956981 + 61956982.

It is an arithmetic number, because the mean of its divisors is an integer number (61956982).

Almost surely, 2^123913963 is an apocalyptic number.

123913963 is a deficient number, since it is larger than the sum of its proper divisors (1).

123913963 is an equidigital number, since it uses as much as digits as its factorization.

123913963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 37.

The square root of 123913963 is about 11131.6648799719. The cubic root of 123913963 is about 498.5477366127.

The spelling of 123913963 in words is "one hundred twenty-three million, nine hundred thirteen thousand, nine hundred sixty-three".