623137 has 4 divisors (see below), whose sum is σ = 627760. Its totient is φ = 618516.

The previous prime is 623107. The next prime is 623171. The reversal of 623137 is 731326.

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.

It is a cyclic number.

It is not a de Polignac number, because 623137 - 2⁷ = 623009 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (623107) 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, 2103 + ... + 2380.

It is an arithmetic number, because the mean of its divisors is an integer number (156940).

2⁶²³¹³⁷ is an apocalyptic number.

It is an amenable number.

623137 is a deficient number, since it is larger than the sum of its proper divisors (4623).

623137 is a wasteful number, since it uses less digits than its factorization.

623137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622.

The product of its digits is 756, while the sum is 22.

The square root of 623137 is about 789.3902710320. The cubic root of 623137 is about 85.4137611808.

The spelling of 623137 in words is "six hundred twenty-three thousand, one hundred thirty-seven".