120023431 has 16 divisors (see below), whose sum is σ = 136080000. Its totient is φ = 104860000.

The previous prime is 120023411. The next prime is 120023443. The reversal of 120023431 is 134320021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120023431 - 2¹⁷ = 119892359 is a prime.

It is a super-2 number, since 2×120023431² = 28811247978023522, which 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 (120023411) 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, 79320 + ... + 80818.

It is an arithmetic number, because the mean of its divisors is an integer number (8505000).

Almost surely, 2^120023431 is an apocalyptic number.

120023431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120023431 is a deficient number, since it is larger than the sum of its proper divisors (16056569).

120023431 is a wasteful number, since it uses less digits than its factorization.

120023431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 120023431 is about 10955.5205718396. The cubic root of 120023431 is about 493.2745160075.

Adding to 120023431 its reverse (134320021), we get a palindrome (254343452).

The spelling of 120023431 in words is "one hundred twenty million, twenty-three thousand, four hundred thirty-one".