2398908723 has 8 divisors (see below), whose sum is σ = 3207456000. Its totient is φ = 1594816968.

The previous prime is 2398908703. The next prime is 2398908751. The reversal of 2398908723 is 3278098932.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2398908723 - 2⁵ = 2398908691 is a prime.

It is a super-2 number, since 2×2398908723² = 11509526122570981458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2398908703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112623 + ... + 1114776.

It is an arithmetic number, because the mean of its divisors is an integer number (400932000).

Almost surely, 2^2398908723 is an apocalyptic number.

2398908723 is a deficient number, since it is larger than the sum of its proper divisors (808547277).

2398908723 is a wasteful number, since it uses less digits than its factorization.

2398908723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227761.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 2398908723 is about 48978.6557900480. The cubic root of 2398908723 is about 1338.6629425160.

The spelling of 2398908723 in words is "two billion, three hundred ninety-eight million, nine hundred eight thousand, seven hundred twenty-three".