234023381 has 2 divisors, whose sum is σ = 234023382. Its totient is φ = 234023380.

The previous prime is 234023369. The next prime is 234023477. The reversal of 234023381 is 183320432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125238481 + 108784900 = 11191^2 + 10430^2 .

It is a cyclic number.

It is not a de Polignac number, because 234023381 - 2²² = 229829077 is a prime.

It is a super-2 number, since 2×234023381² = 109533885709342322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 234023381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234023311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117011690 + 117011691.

It is an arithmetic number, because the mean of its divisors is an integer number (117011691).

Almost surely, 2^234023381 is an apocalyptic number.

It is an amenable number.

234023381 is a deficient number, since it is larger than the sum of its proper divisors (1).

234023381 is an equidigital number, since it uses as much as digits as its factorization.

234023381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 234023381 is about 15297.8227535816. The cubic root of 234023381 is about 616.2445382134.

The spelling of 234023381 in words is "two hundred thirty-four million, twenty-three thousand, three hundred eighty-one".