23231014440 has 32 divisors (see below), whose sum is σ = 69693043680. Its totient is φ = 6194937152.

The previous prime is 23231014439. The next prime is 23231014447. The reversal of 23231014440 is 4441013232.

It is a super-2 number, since 2×23231014440² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23231014440.

It is not an unprimeable number, because it can be changed into a prime (23231014447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96795774 + ... + 96796013.

It is an arithmetic number, because the mean of its divisors is an integer number (2177907615).

Almost surely, 2^23231014440 is an apocalyptic number.

23231014440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23231014440 is an abundant number, since it is smaller than the sum of its proper divisors (46462029240).

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

23231014440 is a wasteful number, since it uses less digits than its factorization.

23231014440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193591801 (or 193591797 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23231014440 its reverse (4441013232), we get a palindrome (27672027672).

The spelling of 23231014440 in words is "twenty-three billion, two hundred thirty-one million, fourteen thousand, four hundred forty".