23918045425 has 24 divisors (see below), whose sum is σ = 29866059680. Its totient is φ = 19000656000.

The previous prime is 23918045419. The next prime is 23918045429. The reversal of 23918045425 is 52454081932.

It is not a de Polignac number, because 23918045425 - 2¹¹ = 23918043377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23918045429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7337446 + ... + 7340704.

Almost surely, 2^23918045425 is an apocalyptic number.

23918045425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23918045425 is a deficient number, since it is larger than the sum of its proper divisors (5948014255).

23918045425 is a wasteful number, since it uses less digits than its factorization.

23918045425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5233 (or 5228 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 23918045425 in words is "twenty-three billion, nine hundred eighteen million, forty-five thousand, four hundred twenty-five".