23431546045 has 4 divisors (see below), whose sum is σ = 28117855260. Its totient is φ = 18745236832.

The previous prime is 23431546037. The next prime is 23431546049. The reversal of 23431546045 is 54064513432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10021211236 + 13410334809 = 100106^2 + 115803^2 .

It is a cyclic number.

It is not a de Polignac number, because 23431546045 - 2³ = 23431546037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23431545995 and 23431546013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431546049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343154600 + ... + 2343154609.

It is an arithmetic number, because the mean of its divisors is an integer number (7029463815).

Almost surely, 2^23431546045 is an apocalyptic number.

It is an amenable number.

23431546045 is a deficient number, since it is larger than the sum of its proper divisors (4686309215).

23431546045 is an equidigital number, since it uses as much as digits as its factorization.

23431546045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686309214.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 23431546045 in words is "twenty-three billion, four hundred thirty-one million, five hundred forty-six thousand, forty-five".