120000023143 has 32 divisors (see below), whose sum is σ = 162107592192. Its totient is φ = 85784054400.

The previous prime is 120000023131. The next prime is 120000023183. The reversal of 120000023143 is 341320000021.

It is a happy number.

It is not a de Polignac number, because 120000023143 - 2⁹ = 120000022631 is a prime.

It is a super-3 number, since 3×120000023143³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000023183) 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, 204568 + ... + 530893.

It is an arithmetic number, because the mean of its divisors is an integer number (5065862256).

Almost surely, 2^120000023143 is an apocalyptic number.

120000023143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120000023143 is a deficient number, since it is larger than the sum of its proper divisors (42107569049).

120000023143 is a wasteful number, since it uses less digits than its factorization.

120000023143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735655.

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

Adding to 120000023143 its reverse (341320000021), we get a palindrome (461320023164).

The spelling of 120000023143 in words is "one hundred twenty billion, twenty-three thousand, one hundred forty-three".