23120045423 has 4 divisors (see below), whose sum is σ = 23436758448. Its totient is φ = 22803332400.

The previous prime is 23120045411. The next prime is 23120045471. The reversal of 23120045423 is 32454002132.

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

It is a cyclic number.

It is not a de Polignac number, because 23120045423 - 2⁶ = 23120045359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23120045392 and 23120045401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120045023) 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, 158356403 + ... + 158356548.

It is an arithmetic number, because the mean of its divisors is an integer number (5859189612).

Almost surely, 2^23120045423 is an apocalyptic number.

23120045423 is a deficient number, since it is larger than the sum of its proper divisors (316713025).

23120045423 is an equidigital number, since it uses as much as digits as its factorization.

23120045423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316713024.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 23120045423 its reverse (32454002132), we get a palindrome (55574047555).

The spelling of 23120045423 in words is "twenty-three billion, one hundred twenty million, forty-five thousand, four hundred twenty-three".