23142541157 has 2 divisors, whose sum is σ = 23142541158. Its totient is φ = 23142541156.

The previous prime is 23142541141. The next prime is 23142541187. The reversal of 23142541157 is 75114524132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16119095521 + 7023445636 = 126961^2 + 83806^2 .

It is a cyclic number.

It is not a de Polignac number, because 23142541157 - 2⁴ = 23142541141 is a prime.

It is a super-2 number, since 2×23142541157² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23142541127) 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, 11571270578 + 11571270579.

It is an arithmetic number, because the mean of its divisors is an integer number (11571270579).

Almost surely, 2^23142541157 is an apocalyptic number.

It is an amenable number.

23142541157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23142541157 is an equidigital number, since it uses as much as digits as its factorization.

23142541157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 35.

The spelling of 23142541157 in words is "twenty-three billion, one hundred forty-two million, five hundred forty-one thousand, one hundred fifty-seven".