2400023453 has 2 divisors, whose sum is σ = 2400023454. Its totient is φ = 2400023452.

The previous prime is 2400023449. The next prime is 2400023471. The reversal of 2400023453 is 3543200042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2077354084 + 322669369 = 45578^2 + 17963^2 .

It is a cyclic number.

It is not a de Polignac number, because 2400023453 - 2² = 2400023449 is a prime.

It is a super-2 number, since 2×2400023453² = 11520225149900086418, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2400023413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200011726 + 1200011727.

It is an arithmetic number, because the mean of its divisors is an integer number (1200011727).

Almost surely, 2^2400023453 is an apocalyptic number.

It is an amenable number.

2400023453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400023453 is an equidigital number, since it uses as much as digits as its factorization.

2400023453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 2400023453 is about 48990.0342212577. The cubic root of 2400023453 is about 1338.8702613198.

Adding to 2400023453 its reverse (3543200042), we get a palindrome (5943223495).

The spelling of 2400023453 in words is "two billion, four hundred million, twenty-three thousand, four hundred fifty-three".