23120343423 has 6 divisors (see below), whose sum is σ = 33396051624. Its totient is φ = 15413562276.

The previous prime is 23120343419. The next prime is 23120343427. The reversal of 23120343423 is 32434302132.

23120343423 is a `hidden beast` number, since 2 + 3 + 1 + 203 + 434 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (23120343419) and next prime (23120343427).

It is not a de Polignac number, because 23120343423 - 2² = 23120343419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120343427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1284463515 + ... + 1284463532.

It is an arithmetic number, because the mean of its divisors is an integer number (5566008604).

Almost surely, 2^23120343423 is an apocalyptic number.

23120343423 is a deficient number, since it is larger than the sum of its proper divisors (10275708201).

23120343423 is a wasteful number, since it uses less digits than its factorization.

23120343423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568927053 (or 2568927050 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 23120343423 its reverse (32434302132), we get a palindrome (55554645555).

The spelling of 23120343423 in words is "twenty-three billion, one hundred twenty million, three hundred forty-three thousand, four hundred twenty-three".