761323243 has 2 divisors, whose sum is σ = 761323244. Its totient is φ = 761323242.

The previous prime is 761323201. The next prime is 761323247. The reversal of 761323243 is 342323167.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-761323243 is a prime.

It is a super-2 number, since 2×761323243² = 1159226160664074098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (761323247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380661621 + 380661622.

It is an arithmetic number, because the mean of its divisors is an integer number (380661622).

Almost surely, 2^761323243 is an apocalyptic number.

761323243 is a deficient number, since it is larger than the sum of its proper divisors (1).

761323243 is an equidigital number, since it uses as much as digits as its factorization.

761323243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 31.

The square root of 761323243 is about 27592.0866010528. The cubic root of 761323243 is about 913.1098541111.

The spelling of 761323243 in words is "seven hundred sixty-one million, three hundred twenty-three thousand, two hundred forty-three".