234090069 has 4 divisors (see below), whose sum is σ = 312120096. Its totient is φ = 156060044.

The previous prime is 234090047. The next prime is 234090091. The reversal of 234090069 is 960090432.

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 (234090047) and next prime (234090091).

It is a cyclic number.

It is not a de Polignac number, because 234090069 - 2¹¹ = 234088021 is a prime.

It is a super-2 number, since 2×234090069² = 109596320808849522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234090019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39015009 + ... + 39015014.

It is an arithmetic number, because the mean of its divisors is an integer number (78030024).

Almost surely, 2^234090069 is an apocalyptic number.

It is an amenable number.

234090069 is a deficient number, since it is larger than the sum of its proper divisors (78030027).

234090069 is an equidigital number, since it uses as much as digits as its factorization.

234090069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78030026.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 234090069 is about 15300.0022549018. The cubic root of 234090069 is about 616.3030682808.

The spelling of 234090069 in words is "two hundred thirty-four million, ninety thousand, sixty-nine".