23153203042444 has 12 divisors (see below), whose sum is σ = 40530117830944. Its totient is φ = 11573169376464.

The previous prime is 23153203042433. The next prime is 23153203042471. The reversal of 23153203042444 is 44424030235132.

It is a happy number.

It is a super-2 number, since 2×23153203042444² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 858021012 + ... + 858047995.

Almost surely, 2^{23153203042444} is an apocalyptic number.

It is an amenable number.

23153203042444 is a deficient number, since it is larger than the sum of its proper divisors (17376914788500).

23153203042444 is a wasteful number, since it uses less digits than its factorization.

23153203042444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716072384 (or 1716072382 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 23153203042444 its reverse (44424030235132), we get a palindrome (67577233277576).

The spelling of 23153203042444 in words is "twenty-three trillion, one hundred fifty-three billion, two hundred three million, forty-two thousand, four hundred forty-four".