23896123449 has 16 divisors (see below), whose sum is σ = 35247550464. Its totient is φ = 14278518800.

The previous prime is 23896123417. The next prime is 23896123463. The reversal of 23896123449 is 94432169832.

It is a cyclic number.

It is not a de Polignac number, because 23896123449 - 2⁵ = 23896123417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23896123949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5097129 + ... + 5101814.

It is an arithmetic number, because the mean of its divisors is an integer number (2202971904).

Almost surely, 2^23896123449 is an apocalyptic number.

It is an amenable number.

23896123449 is a deficient number, since it is larger than the sum of its proper divisors (11351427015).

23896123449 is a wasteful number, since it uses less digits than its factorization.

23896123449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10199028.

The product of its digits is 2239488, while the sum is 51.

The spelling of 23896123449 in words is "twenty-three billion, eight hundred ninety-six million, one hundred twenty-three thousand, four hundred forty-nine".