123432002023 has 32 divisors (see below), whose sum is σ = 140121031680. Its totient is φ = 107753712000.

The previous prime is 123432001993. The next prime is 123432002041. The reversal of 123432002023 is 320200234321.

It is not a de Polignac number, because 123432002023 - 2²⁹ = 122895131111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123432001985 and 123432002003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123432002053) 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 31 ways as a sum of consecutive naturals, for example, 13209333 + ... + 13218673.

It is an arithmetic number, because the mean of its divisors is an integer number (4378782240).

Almost surely, 2^123432002023 is an apocalyptic number.

123432002023 is a deficient number, since it is larger than the sum of its proper divisors (16689029657).

123432002023 is a wasteful number, since it uses less digits than its factorization.

123432002023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9879.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 123432002023 its reverse (320200234321), we get a palindrome (443632236344).

The spelling of 123432002023 in words is "one hundred twenty-three billion, four hundred thirty-two million, two thousand, twenty-three".