90679524347123 has 4 divisors (see below), whose sum is σ = 90939351064800. Its totient is φ = 90419697629448.

The previous prime is 90679524347119. The next prime is 90679524347131. The reversal of 90679524347123 is 32174342597609.

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 90679524347123 - 2² = 90679524347119 is a prime.

It is a super-2 number, since 2×90679524347123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90679524347183) 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, 129913358315 + ... + 129913359012.

It is an arithmetic number, because the mean of its divisors is an integer number (22734837766200).

Almost surely, 2^{90679524347123} is an apocalyptic number.

90679524347123 is a deficient number, since it is larger than the sum of its proper divisors (259826717677).

90679524347123 is a wasteful number, since it uses less digits than its factorization.

90679524347123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259826717676.

The product of its (nonzero) digits is 68584320, while the sum is 62.

The spelling of 90679524347123 in words is "ninety trillion, six hundred seventy-nine billion, five hundred twenty-four million, three hundred forty-seven thousand, one hundred twenty-three".