290252723 has 2 divisors, whose sum is σ = 290252724. Its totient is φ = 290252722.

The previous prime is 290252719. The next prime is 290252731. The reversal of 290252723 is 327252092.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 290252723 - 2² = 290252719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 290252723.

It is not a weakly prime, because it can be changed into another prime (290252773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145126361 + 145126362.

It is an arithmetic number, because the mean of its divisors is an integer number (145126362).

Almost surely, 2^290252723 is an apocalyptic number.

290252723 is a deficient number, since it is larger than the sum of its proper divisors (1).

290252723 is an equidigital number, since it uses as much as digits as its factorization.

290252723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 290252723 is about 17036.8049528073. The cubic root of 290252723 is about 662.1028148741.

The spelling of 290252723 in words is "two hundred ninety million, two hundred fifty-two thousand, seven hundred twenty-three".