623474237 has 4 divisors (see below), whose sum is σ = 623568576. Its totient is φ = 623379900.

The previous prime is 623474231. The next prime is 623474251. The reversal of 623474237 is 732474326.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 732474326 = 2 ⋅366237163.

It is a cyclic number.

It is not a de Polignac number, because 623474237 - 2⁴ = 623474221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 623474237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623474231) 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, 36443 + ... + 50744.

It is an arithmetic number, because the mean of its divisors is an integer number (155892144).

Almost surely, 2^623474237 is an apocalyptic number.

It is an amenable number.

623474237 is a deficient number, since it is larger than the sum of its proper divisors (94339).

623474237 is an equidigital number, since it uses as much as digits as its factorization.

623474237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94338.

The product of its digits is 169344, while the sum is 38.

The square root of 623474237 is about 24969.4660936112. The cubic root of 623474237 is about 854.2916682777.

The spelling of 623474237 in words is "six hundred twenty-three million, four hundred seventy-four thousand, two hundred thirty-seven".