830451265923 has 4 divisors (see below), whose sum is σ = 1107268354568. Its totient is φ = 553634177280.

The previous prime is 830451265909. The next prime is 830451265927. The reversal of 830451265923 is 329562154038.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 830451265923 - 2⁴ = 830451265907 is a prime.

It is a super-2 number, since 2×830451265923² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (830451265927) 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, 138408544318 + ... + 138408544323.

It is an arithmetic number, because the mean of its divisors is an integer number (276817088642).

Almost surely, 2^830451265923 is an apocalyptic number.

830451265923 is a deficient number, since it is larger than the sum of its proper divisors (276817088645).

830451265923 is a wasteful number, since it uses less digits than its factorization.

830451265923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276817088644.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 830451265923 in words is "eight hundred thirty billion, four hundred fifty-one million, two hundred sixty-five thousand, nine hundred twenty-three".