234711421 has 6 divisors (see below), whose sum is σ = 273031710. Its totient is φ = 201181176.

The previous prime is 234711419. The next prime is 234711431. The reversal of 234711421 is 124117432.

It can be written as a sum of positive squares in only one way, i.e., 211382521 + 23328900 = 14539^2 + 4830^2 .

It is not a de Polignac number, because 234711421 - 2¹ = 234711419 is a prime.

It is a super-2 number, since 2×234711421² = 110178902295678482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234711431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2394966 + ... + 2395063.

It is an arithmetic number, because the mean of its divisors is an integer number (45505285).

Almost surely, 2^234711421 is an apocalyptic number.

It is an amenable number.

234711421 is a deficient number, since it is larger than the sum of its proper divisors (38320289).

234711421 is an equidigital number, since it uses as much as digits as its factorization.

234711421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790043 (or 4790036 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 234711421 is about 15320.2944162310. The cubic root of 234711421 is about 616.8478768485.

Adding to 234711421 its reverse (124117432), we get a palindrome (358828853).

The spelling of 234711421 in words is "two hundred thirty-four million, seven hundred eleven thousand, four hundred twenty-one".