23364530624557 has 4 divisors (see below), whose sum is σ = 23364545711836. Its totient is φ = 23364515537280.

The previous prime is 23364530624521. The next prime is 23364530624563. The reversal of 23364530624557 is 75542603546332.

It is a happy number.

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 16762195235556 + 6602335389001 = 4094166^2 + 2569501^2 .

It is a cyclic number.

It is not a de Polignac number, because 23364530624557 - 2⁷ = 23364530624429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23364530624498 and 23364530624507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23364530624257) 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, 4915494 + ... + 8419687.

It is an arithmetic number, because the mean of its divisors is an integer number (5841136427959).

Almost surely, 2^{23364530624557} is an apocalyptic number.

It is an amenable number.

23364530624557 is a deficient number, since it is larger than the sum of its proper divisors (15087279).

23364530624557 is a wasteful number, since it uses less digits than its factorization.

23364530624557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15087278.

The product of its (nonzero) digits is 54432000, while the sum is 55.

The spelling of 23364530624557 in words is "twenty-three trillion, three hundred sixty-four billion, five hundred thirty million, six hundred twenty-four thousand, five hundred fifty-seven".