2147450923 has 2 divisors, whose sum is σ = 2147450924. Its totient is φ = 2147450922.

The previous prime is 2147450861. The next prime is 2147450933. The reversal of 2147450923 is 3290547412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2147450923 - 2⁹ = 2147450411 is a prime.

It is a super-2 number, since 2×2147450923² = 9223090933387103858, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (2147450933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073725461 + 1073725462.

It is an arithmetic number, because the mean of its divisors is an integer number (1073725462).

Almost surely, 2^2147450923 is an apocalyptic number.

2147450923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147450923 is an equidigital number, since it uses as much as digits as its factorization.

2147450923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2147450923 is about 46340.5969210583. The cubic root of 2147450923 is about 1290.1526015814.

The spelling of 2147450923 in words is "two billion, one hundred forty-seven million, four hundred fifty thousand, nine hundred twenty-three".