2403121023 has 24 divisors (see below), whose sum is σ = 3589747200. Its totient is φ = 1547545680.

The previous prime is 2403121013. The next prime is 2403121031. The reversal of 2403121023 is 3201213042.

It is not a de Polignac number, because 2403121023 - 2⁸ = 2403120767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2403120987 and 2403121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403121013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149428 + ... + 164726.

It is an arithmetic number, because the mean of its divisors is an integer number (149572800).

Almost surely, 2^2403121023 is an apocalyptic number.

2403121023 is a deficient number, since it is larger than the sum of its proper divisors (1186626177).

2403121023 is a wasteful number, since it uses less digits than its factorization.

2403121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15899 (or 15896 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2403121023 is about 49021.6383141159. The cubic root of 2403121023 is about 1339.4460142257.

Adding to 2403121023 its reverse (3201213042), we get a palindrome (5604334065).

It can be divided in two parts, 24031 and 21023, that added together give a palindrome (45054).

The spelling of 2403121023 in words is "two billion, four hundred three million, one hundred twenty-one thousand, twenty-three".