120021413023 has 6 divisors (see below), whose sum is σ = 127496795456. Its totient is φ = 112961329632.

The previous prime is 120021413009. The next prime is 120021413137. The reversal of 120021413023 is 320314120021.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-120021413023 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 (120021413723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207649215 + ... + 207649792.

Almost surely, 2^120021413023 is an apocalyptic number.

120021413023 is a deficient number, since it is larger than the sum of its proper divisors (7475382433).

120021413023 is an equidigital number, since it uses as much as digits as its factorization.

120021413023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415299041 (or 415299024 counting only the distinct ones).

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

Adding to 120021413023 its reverse (320314120021), we get a palindrome (440335533044).

The spelling of 120021413023 in words is "one hundred twenty billion, twenty-one million, four hundred thirteen thousand, twenty-three".