23403152123 has 16 divisors (see below), whose sum is σ = 25424922432. Its totient is φ = 21413808000.

The previous prime is 23403152099. The next prime is 23403152141. The reversal of 23403152123 is 32125130432.

It is a happy number.

It is not a de Polignac number, because 23403152123 - 2⁸ = 23403151867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23403152092 and 23403152101.

It is not an unprimeable number, because it can be changed into a prime (23403152023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715793 + ... + 747773.

It is an arithmetic number, because the mean of its divisors is an integer number (1589057652).

Almost surely, 2^23403152123 is an apocalyptic number.

23403152123 is a deficient number, since it is larger than the sum of its proper divisors (2021770309).

23403152123 is a wasteful number, since it uses less digits than its factorization.

23403152123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32486.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 23403152123 its reverse (32125130432), we get a palindrome (55528282555).

The spelling of 23403152123 in words is "twenty-three billion, four hundred three million, one hundred fifty-two thousand, one hundred twenty-three".