2309947151023 has 4 divisors (see below), whose sum is σ = 2309954343840. Its totient is φ = 2309939958208.

The previous prime is 2309947150991. The next prime is 2309947151033. The reversal of 2309947151023 is 3201517499032.

It is a happy number.

2309947151023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2309947151023 - 2⁵ = 2309947150991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309947151033) 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, 3091015 + ... + 3764872.

It is an arithmetic number, because the mean of its divisors is an integer number (577488585960).

Almost surely, 2^{2309947151023} is an apocalyptic number.

2309947151023 is a deficient number, since it is larger than the sum of its proper divisors (7192817).

2309947151023 is an equidigital number, since it uses as much as digits as its factorization.

2309947151023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7192816.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 2309947151023 in words is "two trillion, three hundred nine billion, nine hundred forty-seven million, one hundred fifty-one thousand, twenty-three".