23040345332 has 12 divisors (see below), whose sum is σ = 41410350660. Its totient is φ = 11208816576.

The previous prime is 23040345313. The next prime is 23040345347. The reversal of 23040345332 is 23354304032.

It can be written as a sum of positive squares in 2 ways, for example, as 21967389796 + 1072955536 = 148214^2 + 32756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23040345295 and 23040345304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77838857 + ... + 77839152.

It is an arithmetic number, because the mean of its divisors is an integer number (3450862555).

Almost surely, 2^23040345332 is an apocalyptic number.

It is an amenable number.

23040345332 is a deficient number, since it is larger than the sum of its proper divisors (18370005328).

23040345332 is a wasteful number, since it uses less digits than its factorization.

23040345332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155678050 (or 155678048 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 29.

Adding to 23040345332 its reverse (23354304032), we get a palindrome (46394649364).

The spelling of 23040345332 in words is "twenty-three billion, forty million, three hundred forty-five thousand, three hundred thirty-two".