123572797 has 2 divisors, whose sum is σ = 123572798. Its totient is φ = 123572796.

The previous prime is 123572791. The next prime is 123572833. The reversal of 123572797 is 797275321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82791801 + 40780996 = 9099^2 + 6386^2 .

It is a cyclic number.

It is not a de Polignac number, because 123572797 - 2¹⁹ = 123048509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123572791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61786398 + 61786399.

It is an arithmetic number, because the mean of its divisors is an integer number (61786399).

Almost surely, 2^123572797 is an apocalyptic number.

It is an amenable number.

123572797 is a deficient number, since it is larger than the sum of its proper divisors (1).

123572797 is an equidigital number, since it uses as much as digits as its factorization.

123572797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185220, while the sum is 43.

The square root of 123572797 is about 11116.3301948080. The cubic root of 123572797 is about 498.0897740340.

The spelling of 123572797 in words is "one hundred twenty-three million, five hundred seventy-two thousand, seven hundred ninety-seven".