396161123 has 2 divisors, whose sum is σ = 396161124. Its totient is φ = 396161122.

The previous prime is 396161113. The next prime is 396161137. The reversal of 396161123 is 321161693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 396161123 - 2⁸ = 396160867 is a prime.

It is a super-2 number, since 2×396161123² = 313887270753242258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 396161123.

It is not a weakly prime, because it can be changed into another prime (396161113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198080561 + 198080562.

It is an arithmetic number, because the mean of its divisors is an integer number (198080562).

Almost surely, 2^396161123 is an apocalyptic number.

396161123 is a deficient number, since it is larger than the sum of its proper divisors (1).

396161123 is an equidigital number, since it uses as much as digits as its factorization.

396161123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 32.

The square root of 396161123 is about 19903.7966981177. The cubic root of 396161123 is about 734.4416281495.

The spelling of 396161123 in words is "three hundred ninety-six million, one hundred sixty-one thousand, one hundred twenty-three".