97432723 has 2 divisors, whose sum is σ = 97432724. Its totient is φ = 97432722.

The previous prime is 97432697. The next prime is 97432733. The reversal of 97432723 is 32723479.

It is a strong prime.

It is an emirp because it is prime and its reverse (32723479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97432723 - 2¹³ = 97424531 is a prime.

It is a super-2 number, since 2×97432723² = 18986271022389458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97432733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48716361 + 48716362.

It is an arithmetic number, because the mean of its divisors is an integer number (48716362).

Almost surely, 2^97432723 is an apocalyptic number.

97432723 is a deficient number, since it is larger than the sum of its proper divisors (1).

97432723 is an equidigital number, since it uses as much as digits as its factorization.

97432723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 37.

The square root of 97432723 is about 9870.8015378692. The cubic root of 97432723 is about 460.1523172333.

The spelling of 97432723 in words is "ninety-seven million, four hundred thirty-two thousand, seven hundred twenty-three".