23399283840 has 128 divisors (see below), whose sum is σ = 76404625920. Its totient is φ = 6087598080.

The previous prime is 23399283793. The next prime is 23399283877. The reversal of 23399283840 is 4838299332.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69904 + ... + 227343.

It is an arithmetic number, because the mean of its divisors is an integer number (596911140).

Almost surely, 2^23399283840 is an apocalyptic number.

23399283840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23399283840 is an abundant number, since it is smaller than the sum of its proper divisors (53005342080).

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

23399283840 is a wasteful number, since it uses less digits than its factorization.

23399283840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297310 (or 297298 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 23399283840 in words is "twenty-three billion, three hundred ninety-nine million, two hundred eighty-three thousand, eight hundred forty".