923757400641 has 16 divisors (see below), whose sum is σ = 1245069416448. Its totient is φ = 609172059600.

The previous prime is 923757400639. The next prime is 923757400663. The reversal of 923757400641 is 146004757329.

It is not a de Polignac number, because 923757400641 - 2¹ = 923757400639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (923757400691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3656761 + ... + 3901206.

It is an arithmetic number, because the mean of its divisors is an integer number (77816838528).

Almost surely, 2^923757400641 is an apocalyptic number.

It is an amenable number.

923757400641 is a deficient number, since it is larger than the sum of its proper divisors (321312015807).

923757400641 is a wasteful number, since it uses less digits than its factorization.

923757400641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7558412.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 923757400641 in words is "nine hundred twenty-three billion, seven hundred fifty-seven million, four hundred thousand, six hundred forty-one".