97023564 has 72 divisors (see below), whose sum is σ = 268632000. Its totient is φ = 29282400.

The previous prime is 97023547. The next prime is 97023581. The reversal of 97023564 is 46532079.

97023564 is a `hidden beast` number, since 9 + 70 + 23 + 564 = 666.

It is an interprime number because it is at equal distance from previous prime (97023547) and next prime (97023581).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194187 + ... + 194685.

It is an arithmetic number, because the mean of its divisors is an integer number (3731000).

Almost surely, 2^97023564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97023564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134316000).

97023564 is an abundant number, since it is smaller than the sum of its proper divisors (171608436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97023564 is a wasteful number, since it uses less digits than its factorization.

97023564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 97023564 is about 9850.0540100042. The cubic root of 97023564 is about 459.5072922330.

It can be divided in two parts, 970235 and 64, that added together give a cube (970299 = 99³).

The spelling of 97023564 in words is "ninety-seven million, twenty-three thousand, five hundred sixty-four".