1023453331279 has 2 divisors, whose sum is σ = 1023453331280. Its totient is φ = 1023453331278.

The previous prime is 1023453331247. The next prime is 1023453331357. The reversal of 1023453331279 is 9721333543201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1023453331279 - 2⁵ = 1023453331247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023453331379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511726665639 + 511726665640.

It is an arithmetic number, because the mean of its divisors is an integer number (511726665640).

Almost surely, 2^{1023453331279} is an apocalyptic number.

1023453331279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023453331279 is an equidigital number, since it uses as much as digits as its factorization.

1023453331279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 1023453331279 in words is "one trillion, twenty-three billion, four hundred fifty-three million, three hundred thirty-one thousand, two hundred seventy-nine".