23243457162577 has 4 divisors (see below), whose sum is σ = 23243802739300. Its totient is φ = 23243111585856.

The previous prime is 23243457162553. The next prime is 23243457162619. The reversal of 23243457162577 is 77526175434232.

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 2642107207936 + 20601349954641 = 1625456^2 + 4538871^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23243457162577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23243457162517) 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, 172687452 + ... + 172821997.

It is an arithmetic number, because the mean of its divisors is an integer number (5810950684825).

Almost surely, 2^{23243457162577} is an apocalyptic number.

It is an amenable number.

23243457162577 is a deficient number, since it is larger than the sum of its proper divisors (345576723).

23243457162577 is an equidigital number, since it uses as much as digits as its factorization.

23243457162577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345576722.

The product of its digits is 59270400, while the sum is 58.

The spelling of 23243457162577 in words is "twenty-three trillion, two hundred forty-three billion, four hundred fifty-seven million, one hundred sixty-two thousand, five hundred seventy-seven".