234563121 has 40 divisors (see below), whose sum is σ = 379042664. Its totient is φ = 143700480.

The previous prime is 234563111. The next prime is 234563137. The reversal of 234563121 is 121365432.

234563121 is a `hidden beast` number, since 2 + 3 + 4 + 5 + 631 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12702096 + 221861025 = 3564^2 + 14895^2 .

It is not a de Polignac number, because 234563121 - 2⁹ = 234562609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234563111) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 354531 + ... + 355191.

Almost surely, 2^234563121 is an apocalyptic number.

It is an amenable number.

234563121 is a deficient number, since it is larger than the sum of its proper divisors (144479543).

234563121 is a wasteful number, since it uses less digits than its factorization.

234563121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1014 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 234563121 is about 15315.4536661504. The cubic root of 234563121 is about 616.7179331455.

The spelling of 234563121 in words is "two hundred thirty-four million, five hundred sixty-three thousand, one hundred twenty-one".