461072823 has 4 divisors (see below), whose sum is σ = 614763768. Its totient is φ = 307381880.

The previous prime is 461072813. The next prime is 461072837. The reversal of 461072823 is 328270164.

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 461072823 - 2¹⁷ = 460941751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461072813) 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, 76845468 + ... + 76845473.

It is an arithmetic number, because the mean of its divisors is an integer number (153690942).

Almost surely, 2^461072823 is an apocalyptic number.

461072823 is a deficient number, since it is larger than the sum of its proper divisors (153690945).

461072823 is a wasteful number, since it uses less digits than its factorization.

461072823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153690944.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 461072823 is about 21472.6063392407. The cubic root of 461072823 is about 772.5439126282.

The spelling of 461072823 in words is "four hundred sixty-one million, seventy-two thousand, eight hundred twenty-three".