23572769747 has 4 divisors (see below), whose sum is σ = 23577480840. Its totient is φ = 23568058656.

The previous prime is 23572769743. The next prime is 23572769783. The reversal of 23572769747 is 74796727532.

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

It is a cyclic number.

It is not a de Polignac number, because 23572769747 - 2² = 23572769743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23572769743) 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, 2348033 + ... + 2358050.

It is an arithmetic number, because the mean of its divisors is an integer number (5894370210).

Almost surely, 2^23572769747 is an apocalyptic number.

23572769747 is a deficient number, since it is larger than the sum of its proper divisors (4711093).

23572769747 is an equidigital number, since it uses as much as digits as its factorization.

23572769747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711092.

The product of its digits is 31116960, while the sum is 59.

The spelling of 23572769747 in words is "twenty-three billion, five hundred seventy-two million, seven hundred sixty-nine thousand, seven hundred forty-seven".