23539535377 has 4 divisors (see below), whose sum is σ = 23616211696. Its totient is φ = 23462859060.

The previous prime is 23539535363. The next prime is 23539535387. The reversal of 23539535377 is 77353593532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23539535377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23539535387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38337699 + ... + 38338312.

It is an arithmetic number, because the mean of its divisors is an integer number (5904052924).

Almost surely, 2^23539535377 is an apocalyptic number.

It is an amenable number.

23539535377 is a deficient number, since it is larger than the sum of its proper divisors (76676319).

23539535377 is an equidigital number, since it uses as much as digits as its factorization.

23539535377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76676318.

The product of its digits is 8930250, while the sum is 52.

The spelling of 23539535377 in words is "twenty-three billion, five hundred thirty-nine million, five hundred thirty-five thousand, three hundred seventy-seven".