2351021023 has 12 divisors (see below), whose sum is σ = 2551532400. Its totient is φ = 2165270016.

The previous prime is 2351021021. The next prime is 2351021047. The reversal of 2351021023 is 3201201532.

It is not a de Polignac number, because 2351021023 - 2¹ = 2351021021 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 (2351021021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60390 + ... + 91372.

It is an arithmetic number, because the mean of its divisors is an integer number (212627700).

Almost surely, 2^2351021023 is an apocalyptic number.

2351021023 is a deficient number, since it is larger than the sum of its proper divisors (200511377).

2351021023 is a wasteful number, since it uses less digits than its factorization.

2351021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31458 (or 31445 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2351021023 is about 48487.3284786861. The cubic root of 2351021023 is about 1329.6954138853.

Adding to 2351021023 its reverse (3201201532), we get a palindrome (5552222555).

The spelling of 2351021023 in words is "two billion, three hundred fifty-one million, twenty-one thousand, twenty-three".