23125789 has 8 divisors (see below), whose sum is σ = 24138360. Its totient is φ = 22127616.

The previous prime is 23125759. The next prime is 23125799. The reversal of 23125789 is 98752132.

It can be written as a sum of positive squares in 4 ways, for example, as 4549689 + 18576100 = 2133^2 + 4310^2 .

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

It is a 5-Lehmer number, since φ(23125789) divides (23125789-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 23125789 - 2⁵ = 23125757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23125759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252 + ... + 6805.

It is an arithmetic number, because the mean of its divisors is an integer number (3017295).

Almost surely, 2^23125789 is an apocalyptic number.

23125789 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23125789 is a deficient number, since it is larger than the sum of its proper divisors (1012571).

23125789 is a wasteful number, since it uses less digits than its factorization.

23125789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7199.

The product of its digits is 30240, while the sum is 37.

The square root of 23125789 is about 4808.9280510317. The cubic root of 23125789 is about 284.9042008993.

The spelling of 23125789 in words is "twenty-three million, one hundred twenty-five thousand, seven hundred eighty-nine".