23232431222 has 128 divisors (see below), whose sum is σ = 50953190400. Its totient is φ = 7642252800.

The previous prime is 23232431207. The next prime is 23232431263. The reversal of 23232431222 is 22213423232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 23232431191 and 23232431200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1092572 + ... + 1113632.

It is an arithmetic number, because the mean of its divisors is an integer number (398071800).

Almost surely, 2^23232431222 is an apocalyptic number.

23232431222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23232431222 is an abundant number, since it is smaller than the sum of its proper divisors (27720759178).

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

23232431222 is a wasteful number, since it uses less digits than its factorization.

23232431222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21142.

The product of its digits is 6912, while the sum is 26.

Adding to 23232431222 its reverse (22213423232), we get a palindrome (45445854454).

It can be divided in two parts, 23232 and 431222, that added together give a palindrome (454454).

The spelling of 23232431222 in words is "twenty-three billion, two hundred thirty-two million, four hundred thirty-one thousand, two hundred twenty-two".