2120140023 has 64 divisors (see below), whose sum is σ = 3309465600. Its totient is φ = 1197504000.

The previous prime is 2120139953. The next prime is 2120140037. The reversal of 2120140023 is 3200410212.

It is not a de Polignac number, because 2120140023 - 2²⁵ = 2086585591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120139984 and 2120140011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120140093) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5593848 + ... + 5594226.

It is an arithmetic number, because the mean of its divisors is an integer number (51710400).

Almost surely, 2^2120140023 is an apocalyptic number.

2120140023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2120140023 is a deficient number, since it is larger than the sum of its proper divisors (1189325577).

2120140023 is a wasteful number, since it uses less digits than its factorization.

2120140023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2120140023 is about 46044.9782603923. The cubic root of 2120140023 is about 1284.6599397909.

Adding to 2120140023 its reverse (3200410212), we get a palindrome (5320550235).

The spelling of 2120140023 in words is "two billion, one hundred twenty million, one hundred forty thousand, twenty-three".