97145923 has 8 divisors (see below), whose sum is σ = 112043360. Its totient is φ = 82503360.

The previous prime is 97145921. The next prime is 97145929. The reversal of 97145923 is 32954179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97145923 - 2¹ = 97145921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97145921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62898 + ... + 64423.

It is an arithmetic number, because the mean of its divisors is an integer number (14005420).

Almost surely, 2^97145923 is an apocalyptic number.

97145923 is a deficient number, since it is larger than the sum of its proper divisors (14897437).

97145923 is a wasteful number, since it uses less digits than its factorization.

97145923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127437.

The product of its digits is 68040, while the sum is 40.

The square root of 97145923 is about 9856.2631356919. The cubic root of 97145923 is about 459.7003767149.

The spelling of 97145923 in words is "ninety-seven million, one hundred forty-five thousand, nine hundred twenty-three".