623064431 has 8 divisors (see below), whose sum is σ = 690850128. Its totient is φ = 557136000.

The previous prime is 623064419. The next prime is 623064461. The reversal of 623064431 is 134460326.

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 623064431 - 2¹⁰ = 623063407 is a prime.

It is a super-2 number, since 2×623064431² = 776418570354707522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 623064394 and 623064403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623064401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463610 + ... + 464951.

It is an arithmetic number, because the mean of its divisors is an integer number (86356266).

Almost surely, 2^623064431 is an apocalyptic number.

623064431 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

623064431 is a deficient number, since it is larger than the sum of its proper divisors (67785697).

623064431 is a wasteful number, since it uses less digits than its factorization.

623064431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928633.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 623064431 is about 24961.2586020817. The cubic root of 623064431 is about 854.1044536004.

The spelling of 623064431 in words is "six hundred twenty-three million, sixty-four thousand, four hundred thirty-one".