4200400231 has 4 divisors (see below), whose sum is σ = 4383026352. Its totient is φ = 4017774112.

The previous prime is 4200400213. The next prime is 4200400249. The reversal of 4200400231 is 1320040024.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4200400213) and next prime (4200400249).

It is a cyclic number.

It is not a de Polignac number, because 4200400231 - 2⁹ = 4200399719 is a prime.

It is a super-2 number, since 2×4200400231² = 35286724201169706722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200400201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91313026 + ... + 91313071.

It is an arithmetic number, because the mean of its divisors is an integer number (1095756588).

Almost surely, 2^4200400231 is an apocalyptic number.

4200400231 is a deficient number, since it is larger than the sum of its proper divisors (182626121).

4200400231 is a wasteful number, since it uses less digits than its factorization.

4200400231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182626120.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4200400231 is about 64810.4947597224. The cubic root of 4200400231 is about 1613.4798939333.

Adding to 4200400231 its reverse (1320040024), we get a palindrome (5520440255).

It can be divided in two parts, 420040023 and 1, that added together give a palindrome (420040024).

The spelling of 4200400231 in words is "four billion, two hundred million, four hundred thousand, two hundred thirty-one".