23044157453 has 8 divisors (see below), whose sum is σ = 23424407736. Its totient is φ = 22663987200.

The previous prime is 23044157431. The next prime is 23044157471. The reversal of 23044157453 is 35475144032.

It can be written as a sum of positive squares in 4 ways, for example, as 310249 + 23043847204 = 557^2 + 151802^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23044157453 - 2²⁴ = 23027380237 is a prime.

It is a super-3 number, since 3×23044157453³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23044157753) 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 7 ways as a sum of consecutive naturals, for example, 924725 + ... + 949317.

It is an arithmetic number, because the mean of its divisors is an integer number (2928050967).

Almost surely, 2^23044157453 is an apocalyptic number.

It is an amenable number.

23044157453 is a deficient number, since it is larger than the sum of its proper divisors (380250283).

23044157453 is a wasteful number, since it uses less digits than its factorization.

23044157453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40015.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 23044157453 in words is "twenty-three billion, forty-four million, one hundred fifty-seven thousand, four hundred fifty-three".