23432322340 has 36 divisors (see below), whose sum is σ = 57241818396. Its totient is φ = 8033938752.

The previous prime is 23432322323. The next prime is 23432322373. The reversal of 23432322340 is 4322323432.

It can be written as a sum of positive squares in 2 ways, for example, as 11763137764 + 11669184576 = 108458^2 + 108024^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 23432322299 and 23432322308.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11954287 + ... + 11956246.

It is an arithmetic number, because the mean of its divisors is an integer number (1590050511).

Almost surely, 2^23432322340 is an apocalyptic number.

23432322340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23432322340 is an abundant number, since it is smaller than the sum of its proper divisors (33809496056).

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

23432322340 is a wasteful number, since it uses less digits than its factorization.

23432322340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23910556 (or 23910547 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 23432322340 its reverse (4322323432), we get a palindrome (27754645772).

The spelling of 23432322340 in words is "twenty-three billion, four hundred thirty-two million, three hundred twenty-two thousand, three hundred forty".