15194081423 has 2 divisors, whose sum is σ = 15194081424. Its totient is φ = 15194081422.

The previous prime is 15194081417. The next prime is 15194081453. The reversal of 15194081423 is 32418049151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15194081423 - 2⁴ = 15194081407 is a prime.

It is a super-2 number, since 2×15194081423² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15194081453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7597040711 + 7597040712.

It is an arithmetic number, because the mean of its divisors is an integer number (7597040712).

Almost surely, 2^15194081423 is an apocalyptic number.

15194081423 is a deficient number, since it is larger than the sum of its proper divisors (1).

15194081423 is an equidigital number, since it uses as much as digits as its factorization.

15194081423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 15194081423 in words is "fifteen billion, one hundred ninety-four million, eighty-one thousand, four hundred twenty-three".