2400123100 has 18 divisors (see below), whose sum is σ = 5208267344. Its totient is φ = 960049200.

The previous prime is 2400123091. The next prime is 2400123109. The reversal of 2400123100 is 13210042.

It is an interprime number because it is at equal distance from previous prime (2400123091) and next prime (2400123109).

It is a super-2 number, since 2×2400123100² = 11521181790307220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400123109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12000516 + ... + 12000715.

Almost surely, 2^2400123100 is an apocalyptic number.

2400123100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2400123100 is an abundant number, since it is smaller than the sum of its proper divisors (2808144244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2400123100 is a wasteful number, since it uses less digits than its factorization.

2400123100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24001245 (or 24001238 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2400123100 is about 48991.0512236674. The cubic root of 2400123100 is about 1338.8887906608. Note that the first 3 decimals are identical.

Adding to 2400123100 its reverse (13210042), we get a palindrome (2413333142).

The spelling of 2400123100 in words is "two billion, four hundred million, one hundred twenty-three thousand, one hundred".