23145502377 has 16 divisors (see below), whose sum is σ = 30911621888. Its totient is φ = 15404884560.

The previous prime is 23145502349. The next prime is 23145502381. The reversal of 23145502377 is 77320554132.

It is not a de Polignac number, because 23145502377 - 2¹² = 23145498281 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23145502337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7315998 + ... + 7319160.

It is an arithmetic number, because the mean of its divisors is an integer number (1931976368).

Almost surely, 2^23145502377 is an apocalyptic number.

It is an amenable number.

23145502377 is a deficient number, since it is larger than the sum of its proper divisors (7766119511).

23145502377 is a wasteful number, since it uses less digits than its factorization.

23145502377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420.

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 23145502377 in words is "twenty-three billion, one hundred forty-five million, five hundred two thousand, three hundred seventy-seven".