23291859430 has 24 divisors (see below), whose sum is σ = 48770302608. Its totient is φ = 7985780208.

The previous prime is 23291859413. The next prime is 23291859439. The reversal of 23291859430 is 3495819232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23291859439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23766714 + ... + 23767693.

It is an arithmetic number, because the mean of its divisors is an integer number (2032095942).

Almost surely, 2^23291859430 is an apocalyptic number.

23291859430 is an abundant number, since it is smaller than the sum of its proper divisors (25478443178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23291859430 is a wasteful number, since it uses less digits than its factorization.

23291859430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47534428 (or 47534421 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 23291859430 in words is "twenty-three billion, two hundred ninety-one million, eight hundred fifty-nine thousand, four hundred thirty".