97623831 has 8 divisors (see below), whose sum is σ = 134653680. Its totient is φ = 62838272.

The previous prime is 97623817. The next prime is 97623859. The reversal of 97623831 is 13832679.

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 97623831 - 2¹⁸ = 97361687 is a prime.

It is a super-2 number, since 2×97623831² = 19060824758233122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 97623831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97623931) 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, 560970 + ... + 561143.

It is an arithmetic number, because the mean of its divisors is an integer number (16831710).

Almost surely, 2^97623831 is an apocalyptic number.

97623831 is a deficient number, since it is larger than the sum of its proper divisors (37029849).

97623831 is a wasteful number, since it uses less digits than its factorization.

97623831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122145.

The product of its digits is 54432, while the sum is 39.

The square root of 97623831 is about 9880.4772658005. The cubic root of 97623831 is about 460.4529737735.

The spelling of 97623831 in words is "ninety-seven million, six hundred twenty-three thousand, eight hundred thirty-one".