2308923143 has 4 divisors (see below), whose sum is σ = 2312427480. Its totient is φ = 2305418808.

The previous prime is 2308923083. The next prime is 2308923151. The reversal of 2308923143 is 3413298032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2308923143 - 2⁸ = 2308922887 is a prime.

It is a super-2 number, since 2×2308923143² = 10662252160561996898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2308913143) 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, 1751180 + ... + 1752497.

It is an arithmetic number, because the mean of its divisors is an integer number (578106870).

Almost surely, 2^2308923143 is an apocalyptic number.

2308923143 is a deficient number, since it is larger than the sum of its proper divisors (3504337).

2308923143 is an equidigital number, since it uses as much as digits as its factorization.

2308923143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504336.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2308923143 is about 48051.2553738193. The cubic root of 2308923143 is about 1321.7109629458.

The spelling of 2308923143 in words is "two billion, three hundred eight million, nine hundred twenty-three thousand, one hundred forty-three".