2120503023 has 32 divisors (see below), whose sum is σ = 3220750080. Its totient is φ = 1378334880.

The previous prime is 2120503019. The next prime is 2120503027. The reversal of 2120503023 is 3203050212.

It is an interprime number because it is at equal distance from previous prime (2120503019) and next prime (2120503027).

It is not a de Polignac number, because 2120503023 - 2² = 2120503019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120502987 and 2120503005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120503027) 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, 228708 + ... + 237798.

It is an arithmetic number, because the mean of its divisors is an integer number (100648440).

Almost surely, 2^2120503023 is an apocalyptic number.

2120503023 is a deficient number, since it is larger than the sum of its proper divisors (1100247057).

2120503023 is a wasteful number, since it uses less digits than its factorization.

2120503023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9316 (or 9310 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2120503023 is about 46048.9198896130. The cubic root of 2120503023 is about 1284.7332533364.

Adding to 2120503023 its reverse (3203050212), we get a palindrome (5323553235).

The spelling of 2120503023 in words is "two billion, one hundred twenty million, five hundred three thousand, twenty-three".