123789470023 has 4 divisors (see below), whose sum is σ = 123794127688. Its totient is φ = 123784812360.

The previous prime is 123789470011. The next prime is 123789470081. The reversal of 123789470023 is 320074987321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123789470023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123789270023) 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, 2288736 + ... + 2342197.

It is an arithmetic number, because the mean of its divisors is an integer number (30948531922).

Almost surely, 2^123789470023 is an apocalyptic number.

123789470023 is a deficient number, since it is larger than the sum of its proper divisors (4657665).

123789470023 is an equidigital number, since it uses as much as digits as its factorization.

123789470023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657664.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 123789470023 in words is "one hundred twenty-three billion, seven hundred eighty-nine million, four hundred seventy thousand, twenty-three".