923109403157 has 8 divisors (see below), whose sum is σ = 924837580800. Its totient is φ = 921382800624.

The previous prime is 923109403129. The next prime is 923109403169. The reversal of 923109403157 is 751304901329.

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 923109403157 - 2⁶ = 923109403093 is a prime.

It is a super-3 number, since 3×923109403157³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923109433157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782723 + ... + 1568079.

It is an arithmetic number, because the mean of its divisors is an integer number (115604697600).

Almost surely, 2^923109403157 is an apocalyptic number.

It is an amenable number.

923109403157 is a deficient number, since it is larger than the sum of its proper divisors (1728177643).

923109403157 is a wasteful number, since it uses less digits than its factorization.

923109403157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787555.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 923109403157 in words is "nine hundred twenty-three billion, one hundred nine million, four hundred three thousand, one hundred fifty-seven".