1402432243 has 4 divisors (see below), whose sum is σ = 1410267240. Its totient is φ = 1394597248.

The previous prime is 1402432231. The next prime is 1402432267. The reversal of 1402432243 is 3422342041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3422342041 = 6353 ⋅538697.

It is a cyclic number.

It is not a de Polignac number, because 1402432243 - 2⁵ = 1402432211 is a prime.

It is a super-2 number, since 2×1402432243² = 3933632392412022098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402432643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3917230 + ... + 3917587.

It is an arithmetic number, because the mean of its divisors is an integer number (352566810).

Almost surely, 2^1402432243 is an apocalyptic number.

1402432243 is a deficient number, since it is larger than the sum of its proper divisors (7834997).

1402432243 is an equidigital number, since it uses as much as digits as its factorization.

1402432243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7834996.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1402432243 is about 37449.0619775716. The cubic root of 1402432243 is about 1119.3364061685.

Adding to 1402432243 its reverse (3422342041), we get a palindrome (4824774284).

The spelling of 1402432243 in words is "one billion, four hundred two million, four hundred thirty-two thousand, two hundred forty-three".