23534144157037 has 2 divisors, whose sum is σ = 23534144157038. Its totient is φ = 23534144157036.

The previous prime is 23534144157001. The next prime is 23534144157049. The reversal of 23534144157037 is 73075144143532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23459191953961 + 74952203076 = 4843469^2 + 273774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23534144157037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23534144157137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11767072078518 + 11767072078519.

It is an arithmetic number, because the mean of its divisors is an integer number (11767072078519).

Almost surely, 2^{23534144157037} is an apocalyptic number.

It is an amenable number.

23534144157037 is a deficient number, since it is larger than the sum of its proper divisors (1).

23534144157037 is an equidigital number, since it uses as much as digits as its factorization.

23534144157037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 23534144157037 in words is "twenty-three trillion, five hundred thirty-four billion, one hundred forty-four million, one hundred fifty-seven thousand, thirty-seven".