423211251 has 8 divisors (see below), whose sum is σ = 566208720. Its totient is φ = 281177312.

The previous prime is 423211237. The next prime is 423211253. The reversal of 423211251 is 152112324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423211251 - 2⁵ = 423211219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423211253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239856 + ... + 241613.

It is an arithmetic number, because the mean of its divisors is an integer number (70776090).

Almost surely, 2^423211251 is an apocalyptic number.

423211251 is a deficient number, since it is larger than the sum of its proper divisors (142997469).

423211251 is a wasteful number, since it uses less digits than its factorization.

423211251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481765.

The product of its digits is 480, while the sum is 21.

The square root of 423211251 is about 20572.0988477112. The cubic root of 423211251 is about 750.7910178721.

Adding to 423211251 its reverse (152112324), we get a palindrome (575323575).

The spelling of 423211251 in words is "four hundred twenty-three million, two hundred eleven thousand, two hundred fifty-one".