2031120023 has 4 divisors (see below), whose sum is σ = 2046624888. Its totient is φ = 2015615160.

The previous prime is 2031120019. The next prime is 2031120043. The reversal of 2031120023 is 3200211302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2031120023 - 2² = 2031120019 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 (2031120043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7752236 + ... + 7752497.

It is an arithmetic number, because the mean of its divisors is an integer number (511656222).

Almost surely, 2^2031120023 is an apocalyptic number.

2031120023 is a deficient number, since it is larger than the sum of its proper divisors (15504865).

2031120023 is a wasteful number, since it uses less digits than its factorization.

2031120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15504864.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2031120023 is about 45067.9489548837. The cubic root of 2031120023 is about 1266.4222413950.

Adding to 2031120023 its reverse (3200211302), we get a palindrome (5231331325).

The spelling of 2031120023 in words is "two billion, thirty-one million, one hundred twenty thousand, twenty-three".