223400426143 has 4 divisors (see below), whose sum is σ = 223904716488. Its totient is φ = 222896135800.

The previous prime is 223400426113. The next prime is 223400426147. The reversal of 223400426143 is 341624004322.

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

It is a cyclic number.

It is not a de Polignac number, because 223400426143 - 2²⁹ = 222863555231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223400426147) 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, 252144508 + ... + 252145393.

It is an arithmetic number, because the mean of its divisors is an integer number (55976179122).

Almost surely, 2^223400426143 is an apocalyptic number.

223400426143 is a deficient number, since it is larger than the sum of its proper divisors (504290345).

223400426143 is an equidigital number, since it uses as much as digits as its factorization.

223400426143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504290344.

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 223400426143 in words is "two hundred twenty-three billion, four hundred million, four hundred twenty-six thousand, one hundred forty-three".