234623661 has 4 divisors (see below), whose sum is σ = 312831552. Its totient is φ = 156415772.

The previous prime is 234623617. The next prime is 234623663. The reversal of 234623661 is 166326432.

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 234623661 - 2¹⁵ = 234590893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234623663) 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, 39103941 + ... + 39103946.

It is an arithmetic number, because the mean of its divisors is an integer number (78207888).

Almost surely, 2^234623661 is an apocalyptic number.

It is an amenable number.

234623661 is a deficient number, since it is larger than the sum of its proper divisors (78207891).

234623661 is an equidigital number, since it uses as much as digits as its factorization.

234623661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78207890.

The product of its digits is 31104, while the sum is 33.

The square root of 234623661 is about 15317.4299737260. The cubic root of 234623661 is about 616.7709862311.

The spelling of 234623661 in words is "two hundred thirty-four million, six hundred twenty-three thousand, six hundred sixty-one".