2421045123 has 32 divisors (see below), whose sum is σ = 3911053824. Its totient is φ = 1300465152.

The previous prime is 2421045101. The next prime is 2421045127. The reversal of 2421045123 is 3215401242.

It is not a de Polignac number, because 2421045123 - 2⁵ = 2421045091 is a prime.

It is a super-2 number, since 2×2421045123² = 11722918975204170258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2421045093 and 2421045102.

It is not an unprimeable number, because it can be changed into a prime (2421045127) 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, 320061 + ... + 327537.

It is an arithmetic number, because the mean of its divisors is an integer number (122220432).

Almost surely, 2^2421045123 is an apocalyptic number.

2421045123 is a deficient number, since it is larger than the sum of its proper divisors (1490008701).

2421045123 is a wasteful number, since it uses less digits than its factorization.

2421045123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2421045123 is about 49204.1169314113. The cubic root of 2421045123 is about 1342.7679332344.

Adding to 2421045123 its reverse (3215401242), we get a palindrome (5636446365).

The spelling of 2421045123 in words is "two billion, four hundred twenty-one million, forty-five thousand, one hundred twenty-three".