23857529403101 has 2 divisors, whose sum is σ = 23857529403102. Its totient is φ = 23857529403100.

The previous prime is 23857529403067. The next prime is 23857529403131. The reversal of 23857529403101 is 10130492575832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21613675200601 + 2243854202500 = 4649051^2 + 1497950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23857529403101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23857529403101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23857529403131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11928764701550 + 11928764701551.

It is an arithmetic number, because the mean of its divisors is an integer number (11928764701551).

Almost surely, 2^{23857529403101} is an apocalyptic number.

It is an amenable number.

23857529403101 is a deficient number, since it is larger than the sum of its proper divisors (1).

23857529403101 is an equidigital number, since it uses as much as digits as its factorization.

23857529403101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 23857529403101 in words is "twenty-three trillion, eight hundred fifty-seven billion, five hundred twenty-nine million, four hundred three thousand, one hundred one".