23748891427 has 2 divisors, whose sum is σ = 23748891428. Its totient is φ = 23748891426.

The previous prime is 23748891349. The next prime is 23748891449. The reversal of 23748891427 is 72419884732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23748891427 - 2²⁷ = 23614673699 is a prime.

It is a super-2 number, since 2×23748891427² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23748841427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11874445713 + 11874445714.

It is an arithmetic number, because the mean of its divisors is an integer number (11874445714).

Almost surely, 2^23748891427 is an apocalyptic number.

23748891427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23748891427 is an equidigital number, since it uses as much as digits as its factorization.

23748891427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 55.

The spelling of 23748891427 in words is "twenty-three billion, seven hundred forty-eight million, eight hundred ninety-one thousand, four hundred twenty-seven".