123102021020023 has 16 divisors (see below), whose sum is σ = 130908224304000. Its totient is φ = 115358730020352.

The previous prime is 123102021019961. The next prime is 123102021020029. The reversal of 123102021020023 is 320020120201321.

It is not a de Polignac number, because 123102021020023 - 2³⁷ = 122964582066551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123102021020029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25000633 + ... + 29516701.

It is an arithmetic number, because the mean of its divisors is an integer number (8181764019000).

Almost surely, 2^{123102021020023} is an apocalyptic number.

123102021020023 is a deficient number, since it is larger than the sum of its proper divisors (7806203283977).

123102021020023 is a wasteful number, since it uses less digits than its factorization.

123102021020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523034.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123102021020023 its reverse (320020120201321), we get a palindrome (443122141221344).

The spelling of 123102021020023 in words is "one hundred twenty-three trillion, one hundred two billion, twenty-one million, twenty thousand, twenty-three".