234669993 has 4 divisors (see below), whose sum is σ = 312893328. Its totient is φ = 156446660.

The previous prime is 234669983. The next prime is 234670003. The reversal of 234669993 is 399966432.

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 an interprime number because it is at equal distance from previous prime (234669983) and next prime (234670003).

It is a cyclic number.

It is not a de Polignac number, because 234669993 - 2⁴ = 234669977 is a prime.

It is a super-2 number, since 2×234669993² = 110140011229240098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (234669913) 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, 39111663 + ... + 39111668.

It is an arithmetic number, because the mean of its divisors is an integer number (78223332).

Almost surely, 2^234669993 is an apocalyptic number.

It is an amenable number.

234669993 is a deficient number, since it is larger than the sum of its proper divisors (78223335).

234669993 is an equidigital number, since it uses as much as digits as its factorization.

234669993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78223334.

The product of its digits is 1889568, while the sum is 51.

The square root of 234669993 is about 15318.9422937747. The cubic root of 234669993 is about 616.8115822398.

The spelling of 234669993 in words is "two hundred thirty-four million, six hundred sixty-nine thousand, nine hundred ninety-three".