23203023140 has 48 divisors (see below), whose sum is σ = 53179023744. Its totient is φ = 8433811200.

The previous prime is 23203023131. The next prime is 23203023187. The reversal of 23203023140 is 4132030232.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 515417 + ... + 558623.

It is an arithmetic number, because the mean of its divisors is an integer number (1107896328).

Almost surely, 2^23203023140 is an apocalyptic number.

23203023140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23203023140 is an abundant number, since it is smaller than the sum of its proper divisors (29976000604).

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

23203023140 is a wasteful number, since it uses less digits than its factorization.

23203023140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45668 (or 45666 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23203023140 its reverse (4132030232), we get a palindrome (27335053372).

The spelling of 23203023140 in words is "twenty-three billion, two hundred three million, twenty-three thousand, one hundred forty".