23789899290 has 32 divisors (see below), whose sum is σ = 58310565120. Its totient is φ = 6208994624.

The previous prime is 23789899279. The next prime is 23789899291. The reversal of 23789899290 is 9299898732.

It is not an unprimeable number, because it can be changed into a prime (23789899291) 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, 8434725 + ... + 8437544.

It is an arithmetic number, because the mean of its divisors is an integer number (1822205160).

Almost surely, 2^23789899290 is an apocalyptic number.

23789899290 is an abundant number, since it is smaller than the sum of its proper divisors (34520665830).

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

23789899290 is a wasteful number, since it uses less digits than its factorization.

23789899290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16872326.

The product of its (nonzero) digits is 35271936, while the sum is 66.

The spelling of 23789899290 in words is "twenty-three billion, seven hundred eighty-nine million, eight hundred ninety-nine thousand, two hundred ninety".