123132020023 has 4 divisors (see below), whose sum is σ = 123142083048. Its totient is φ = 123121957000.

The previous prime is 123132020003. The next prime is 123132020029. The reversal of 123132020023 is 320020231321.

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 123132020023 - 2²⁵ = 123098465591 is a prime.

It is a super-2 number, since 2×123132020023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123132020029) 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, 5013136 + ... + 5037637.

It is an arithmetic number, because the mean of its divisors is an integer number (30785520762).

Almost surely, 2^123132020023 is an apocalyptic number.

123132020023 is a deficient number, since it is larger than the sum of its proper divisors (10063025).

123132020023 is a wasteful number, since it uses less digits than its factorization.

123132020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10063024.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123132020023 its reverse (320020231321), we get a palindrome (443152251344).

The spelling of 123132020023 in words is "one hundred twenty-three billion, one hundred thirty-two million, twenty thousand, twenty-three".