1396115923 has 2 divisors, whose sum is σ = 1396115924. Its totient is φ = 1396115922.

The previous prime is 1396115891. The next prime is 1396115977. The reversal of 1396115923 is 3295116931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1396115923 - 2⁵ = 1396115891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1396115423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698057961 + 698057962.

It is an arithmetic number, because the mean of its divisors is an integer number (698057962).

Almost surely, 2^1396115923 is an apocalyptic number.

1396115923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396115923 is an equidigital number, since it uses as much as digits as its factorization.

1396115923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 40.

The square root of 1396115923 is about 37364.6346563164. The cubic root of 1396115923 is about 1117.6534424544.

The spelling of 1396115923 in words is "one billion, three hundred ninety-six million, one hundred fifteen thousand, nine hundred twenty-three".