90912950823 has 32 divisors (see below), whose sum is σ = 130616338432. Its totient is φ = 56132611200.

The previous prime is 90912950813. The next prime is 90912950827. The reversal of 90912950823 is 32805921909.

It is not a de Polignac number, because 90912950823 - 2²⁶ = 90845841959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90912950827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6661 + ... + 426462.

It is an arithmetic number, because the mean of its divisors is an integer number (4081760576).

Almost surely, 2^90912950823 is an apocalyptic number.

90912950823 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

90912950823 is a deficient number, since it is larger than the sum of its proper divisors (39703387609).

90912950823 is a wasteful number, since it uses less digits than its factorization.

90912950823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433255.

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 90912950823 in words is "ninety billion, nine hundred twelve million, nine hundred fifty thousand, eight hundred twenty-three".