3115121023 has 4 divisors (see below), whose sum is σ = 3560138320. Its totient is φ = 2670103728.

The previous prime is 3115121011. The next prime is 3115121033. The reversal of 3115121023 is 3201215113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3201215113 = 1723 ⋅1857931.

It is a cyclic number.

It is not a de Polignac number, because 3115121023 - 2²⁹ = 2578250111 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 (3115121033) 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, 222508638 + ... + 222508651.

It is an arithmetic number, because the mean of its divisors is an integer number (890034580).

Almost surely, 2^3115121023 is an apocalyptic number.

3115121023 is a deficient number, since it is larger than the sum of its proper divisors (445017297).

3115121023 is an equidigital number, since it uses as much as digits as its factorization.

3115121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445017296.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 3115121023 is about 55813.2692377001. The cubic root of 3115121023 is about 1460.4666399482.

Adding to 3115121023 its reverse (3201215113), we get a palindrome (6316336136).

The spelling of 3115121023 in words is "three billion, one hundred fifteen million, one hundred twenty-one thousand, twenty-three".