23123112240 has 40 divisors (see below), whose sum is σ = 71681648688. Its totient is φ = 6166163200.

The previous prime is 23123112239. The next prime is 23123112283. The reversal of 23123112240 is 4221132132.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48172911 + ... + 48173390.

Almost surely, 2^23123112240 is an apocalyptic number.

23123112240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23123112240 is an abundant number, since it is smaller than the sum of its proper divisors (48558536448).

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

23123112240 is a wasteful number, since it uses less digits than its factorization.

23123112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96346317 (or 96346311 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23123112240 its reverse (4221132132), we get a palindrome (27344244372).

The spelling of 23123112240 in words is "twenty-three billion, one hundred twenty-three million, one hundred twelve thousand, two hundred forty".