13950471923 has 2 divisors, whose sum is σ = 13950471924. Its totient is φ = 13950471922.

The previous prime is 13950471889. The next prime is 13950471961. The reversal of 13950471923 is 32917405931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13950471923 is a prime.

It is a super-2 number, since 2×13950471923² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13950471323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6975235961 + 6975235962.

It is an arithmetic number, because the mean of its divisors is an integer number (6975235962).

Almost surely, 2^13950471923 is an apocalyptic number.

13950471923 is a deficient number, since it is larger than the sum of its proper divisors (1).

13950471923 is an equidigital number, since it uses as much as digits as its factorization.

13950471923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 13950471923 in words is "thirteen billion, nine hundred fifty million, four hundred seventy-one thousand, nine hundred twenty-three".