1423133293 has 2 divisors, whose sum is σ = 1423133294. Its totient is φ = 1423133292.

The previous prime is 1423133287. The next prime is 1423133323. The reversal of 1423133293 is 3923313241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 908841609 + 514291684 = 30147^2 + 22678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423133293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423133273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711566646 + 711566647.

It is an arithmetic number, because the mean of its divisors is an integer number (711566647).

Almost surely, 2^1423133293 is an apocalyptic number.

It is an amenable number.

1423133293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423133293 is an equidigital number, since it uses as much as digits as its factorization.

1423133293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 1423133293 is about 37724.4389355230. The cubic root of 1423133293 is about 1124.8169692030.

It can be divided in two parts, 14231 and 33293, that added together give a square (47524 = 218²).

The spelling of 1423133293 in words is "one billion, four hundred twenty-three million, one hundred thirty-three thousand, two hundred ninety-three".