247712923 has 2 divisors, whose sum is σ = 247712924. Its totient is φ = 247712922.

The previous prime is 247712917. The next prime is 247712929. The reversal of 247712923 is 329217742.

It is a balanced prime because it is at equal distance from previous prime (247712917) and next prime (247712929).

It is a cyclic number.

It is not a de Polignac number, because 247712923 - 2⁹ = 247712411 is a prime.

It is a super-2 number, since 2×247712923² = 122723384442407858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247712929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123856461 + 123856462.

It is an arithmetic number, because the mean of its divisors is an integer number (123856462).

Almost surely, 2^247712923 is an apocalyptic number.

247712923 is a deficient number, since it is larger than the sum of its proper divisors (1).

247712923 is an equidigital number, since it uses as much as digits as its factorization.

247712923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 247712923 is about 15738.8984049075. The cubic root of 247712923 is about 628.0336126477.

It can be divided in two parts, 2477 and 12923, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 247712923 in words is "two hundred forty-seven million, seven hundred twelve thousand, nine hundred twenty-three".