23134142023891 has 2 divisors, whose sum is σ = 23134142023892. Its totient is φ = 23134142023890.

The previous prime is 23134142023879. The next prime is 23134142024009. The reversal of 23134142023891 is 19832024143132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23134142023891 - 2¹¹ = 23134142021843 is a prime.

It is a super-2 number, since 2×23134142023891² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23134142023691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11567071011945 + 11567071011946.

It is an arithmetic number, because the mean of its divisors is an integer number (11567071011946).

Almost surely, 2^{23134142023891} is an apocalyptic number.

23134142023891 is a deficient number, since it is larger than the sum of its proper divisors (1).

23134142023891 is an equidigital number, since it uses as much as digits as its factorization.

23134142023891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 23134142023891 in words is "twenty-three trillion, one hundred thirty-four billion, one hundred forty-two million, twenty-three thousand, eight hundred ninety-one".