123913927 has 2 divisors, whose sum is σ = 123913928. Its totient is φ = 123913926.

The previous prime is 123913921. The next prime is 123913963. The reversal of 123913927 is 729319321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123913927 - 2¹⁹ = 123389639 is a prime.

It is a super-2 number, since 2×123913927² = 30709322609122658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123913921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61956963 + 61956964.

It is an arithmetic number, because the mean of its divisors is an integer number (61956964).

Almost surely, 2^123913927 is an apocalyptic number.

123913927 is a deficient number, since it is larger than the sum of its proper divisors (1).

123913927 is an equidigital number, since it uses as much as digits as its factorization.

123913927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 37.

The square root of 123913927 is about 11131.6632629630. The cubic root of 123913927 is about 498.5476883326.

The spelling of 123913927 in words is "one hundred twenty-three million, nine hundred thirteen thousand, nine hundred twenty-seven".