23471723145 has 32 divisors (see below), whose sum is σ = 40523212800. Its totient is φ = 11532559104.

The previous prime is 23471723137. The next prime is 23471723159. The reversal of 23471723145 is 54132717432.

It is not a de Polignac number, because 23471723145 - 2³ = 23471723137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18985 + ... + 217494.

It is an arithmetic number, because the mean of its divisors is an integer number (1266350400).

Almost surely, 2^23471723145 is an apocalyptic number.

It is an amenable number.

23471723145 is a deficient number, since it is larger than the sum of its proper divisors (17051489655).

23471723145 is a wasteful number, since it uses less digits than its factorization.

23471723145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237009.

The product of its digits is 141120, while the sum is 39.

The spelling of 23471723145 in words is "twenty-three billion, four hundred seventy-one million, seven hundred twenty-three thousand, one hundred forty-five".