120102001023 has 32 divisors (see below), whose sum is σ = 166473703872. Its totient is φ = 76976640000.

The previous prime is 120102000989. The next prime is 120102001039. The reversal of 120102001023 is 320100201021.

It is not a de Polignac number, because 120102001023 - 2¹³ = 120101992831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102001823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1519173 + ... + 1596273.

It is an arithmetic number, because the mean of its divisors is an integer number (5202303246).

Almost surely, 2^120102001023 is an apocalyptic number.

120102001023 is a deficient number, since it is larger than the sum of its proper divisors (46371702849).

120102001023 is a wasteful number, since it uses less digits than its factorization.

120102001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77355.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 120102001023 its reverse (320100201021), we get a palindrome (440202202044).

The spelling of 120102001023 in words is "one hundred twenty billion, one hundred two million, one thousand, twenty-three".