97554545423 has 4 divisors (see below), whose sum is σ = 99153800328. Its totient is φ = 95955290520.

The previous prime is 97554545371. The next prime is 97554545483. The reversal of 97554545423 is 32454545579.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97554545423 - 2⁶ = 97554545359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97554545483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799627361 + ... + 799627482.

It is an arithmetic number, because the mean of its divisors is an integer number (24788450082).

Almost surely, 2^97554545423 is an apocalyptic number.

97554545423 is a deficient number, since it is larger than the sum of its proper divisors (1599254905).

97554545423 is a wasteful number, since it uses less digits than its factorization.

97554545423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599254904.

The product of its digits is 15120000, while the sum is 53.

The spelling of 97554545423 in words is "ninety-seven billion, five hundred fifty-four million, five hundred forty-five thousand, four hundred twenty-three".