97403143 has 2 divisors, whose sum is σ = 97403144. Its totient is φ = 97403142.

The previous prime is 97403123. The next prime is 97403171. The reversal of 97403143 is 34130479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97403143 - 2²⁵ = 63848711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97403123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48701571 + 48701572.

It is an arithmetic number, because the mean of its divisors is an integer number (48701572).

Almost surely, 2^97403143 is an apocalyptic number.

97403143 is a deficient number, since it is larger than the sum of its proper divisors (1).

97403143 is an equidigital number, since it uses as much as digits as its factorization.

97403143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 97403143 is about 9869.3030655665. The cubic root of 97403143 is about 460.1057460103.

The spelling of 97403143 in words is "ninety-seven million, four hundred three thousand, one hundred forty-three".