120352515023 has 16 divisors (see below), whose sum is σ = 132501505920. Its totient is φ = 108621305856.

The previous prime is 120352514987. The next prime is 120352515029. The reversal of 120352515023 is 320515253021.

It is a cyclic number.

It is not a de Polignac number, because 120352515023 - 2²⁰ = 120351466447 is a prime.

It is a super-2 number, since 2×120352515023² (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 (120352515029) 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, 510383 + ... + 707951.

It is an arithmetic number, because the mean of its divisors is an integer number (8281344120).

Almost surely, 2^120352515023 is an apocalyptic number.

120352515023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120352515023 is a deficient number, since it is larger than the sum of its proper divisors (12148990897).

120352515023 is a wasteful number, since it uses less digits than its factorization.

120352515023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198626.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 120352515023 its reverse (320515253021), we get a palindrome (440867768044).

The spelling of 120352515023 in words is "one hundred twenty billion, three hundred fifty-two million, five hundred fifteen thousand, twenty-three".