113622143 has 2 divisors, whose sum is σ = 113622144. Its totient is φ = 113622142.

The previous prime is 113622137. The next prime is 113622149. The reversal of 113622143 is 341226311.

It is a balanced prime because it is at equal distance from previous prime (113622137) and next prime (113622149).

It is a cyclic number.

It is not a de Polignac number, because 113622143 - 2⁴ = 113622127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113622149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56811071 + 56811072.

It is an arithmetic number, because the mean of its divisors is an integer number (56811072).

Almost surely, 2^113622143 is an apocalyptic number.

113622143 is a deficient number, since it is larger than the sum of its proper divisors (1).

113622143 is an equidigital number, since it uses as much as digits as its factorization.

113622143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 113622143 is about 10659.3687899425. The cubic root of 113622143 is about 484.3444475103.

Adding to 113622143 its reverse (341226311), we get a palindrome (454848454).

The spelling of 113622143 in words is "one hundred thirteen million, six hundred twenty-two thousand, one hundred forty-three".