23261825351 has 4 divisors (see below), whose sum is σ = 23312285304. Its totient is φ = 23211365400.

The previous prime is 23261825347. The next prime is 23261825437. The reversal of 23261825351 is 15352816232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23261825351 - 2² = 23261825347 is a prime.

It is a super-2 number, since 2×23261825351² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23261825311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25229285 + ... + 25230206.

It is an arithmetic number, because the mean of its divisors is an integer number (5828071326).

Almost surely, 2^23261825351 is an apocalyptic number.

23261825351 is a deficient number, since it is larger than the sum of its proper divisors (50459953).

23261825351 is an equidigital number, since it uses as much as digits as its factorization.

23261825351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50459952.

The product of its digits is 86400, while the sum is 38.

The spelling of 23261825351 in words is "twenty-three billion, two hundred sixty-one million, eight hundred twenty-five thousand, three hundred fifty-one".