23477343077 has 4 divisors (see below), whose sum is σ = 24858363276. Its totient is φ = 22096322880.

The previous prime is 23477343067. The next prime is 23477343083. The reversal of 23477343077 is 77034377432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14747430721 + 8729912356 = 121439^2 + 93434^2 .

It is a cyclic number.

It is not a de Polignac number, because 23477343077 - 2⁸ = 23477342821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23477343067) 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, 690510074 + ... + 690510107.

It is an arithmetic number, because the mean of its divisors is an integer number (6214590819).

Almost surely, 2^23477343077 is an apocalyptic number.

It is an amenable number.

23477343077 is a deficient number, since it is larger than the sum of its proper divisors (1381020199).

23477343077 is a wasteful number, since it uses less digits than its factorization.

23477343077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381020198.

The product of its (nonzero) digits is 2074464, while the sum is 47.

The spelling of 23477343077 in words is "twenty-three billion, four hundred seventy-seven million, three hundred forty-three thousand, seventy-seven".