23542177213 has 2 divisors, whose sum is σ = 23542177214. Its totient is φ = 23542177212.

The previous prime is 23542177117. The next prime is 23542177223. The reversal of 23542177213 is 31277124532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18354288484 + 5187888729 = 135478^2 + 72027^2 .

It is a cyclic number.

It is not a de Polignac number, because 23542177213 - 2²⁹ = 23005306301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23542177223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11771088606 + 11771088607.

It is an arithmetic number, because the mean of its divisors is an integer number (11771088607).

Almost surely, 2^23542177213 is an apocalyptic number.

It is an amenable number.

23542177213 is a deficient number, since it is larger than the sum of its proper divisors (1).

23542177213 is an equidigital number, since it uses as much as digits as its factorization.

23542177213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 37.

The spelling of 23542177213 in words is "twenty-three billion, five hundred forty-two million, one hundred seventy-seven thousand, two hundred thirteen".