23145444535 has 8 divisors (see below), whose sum is σ = 28525196736. Its totient is φ = 18015913440.

The previous prime is 23145444527. The next prime is 23145444541. The reversal of 23145444535 is 53544454132.

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

It is not a de Polignac number, because 23145444535 - 2³ = 23145444527 is a prime.

It is a super-2 number, since 2×23145444535² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62555071 + ... + 62555440.

It is an arithmetic number, because the mean of its divisors is an integer number (3565649592).

Almost surely, 2^23145444535 is an apocalyptic number.

23145444535 is a deficient number, since it is larger than the sum of its proper divisors (5379752201).

23145444535 is a wasteful number, since it uses less digits than its factorization.

23145444535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125110553.

The product of its digits is 576000, while the sum is 40.

Adding to 23145444535 its reverse (53544454132), we get a palindrome (76689898667).

The spelling of 23145444535 in words is "twenty-three billion, one hundred forty-five million, four hundred forty-four thousand, five hundred thirty-five".