2400123001 has 4 divisors (see below), whose sum is σ = 2401840000. Its totient is φ = 2398406004.

The previous prime is 2400122987. The next prime is 2400123017. The reversal of 2400123001 is 1003210042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2400123001 - 2¹⁷ = 2399991929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400123091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856401 + ... + 859198.

It is an arithmetic number, because the mean of its divisors is an integer number (600460000).

Almost surely, 2^2400123001 is an apocalyptic number.

It is an amenable number.

2400123001 is a deficient number, since it is larger than the sum of its proper divisors (1716999).

2400123001 is a wasteful number, since it uses less digits than its factorization.

2400123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716998.

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

The square root of 2400123001 is about 48991.0502132788. The cubic root of 2400123001 is about 1338.8887722520. Note that the first 3 decimals are identical.

Adding to 2400123001 its reverse (1003210042), we get a palindrome (3403333043).

The spelling of 2400123001 in words is "two billion, four hundred million, one hundred twenty-three thousand, one".