1023123431219 has 4 divisors (see below), whose sum is σ = 1027199620440. Its totient is φ = 1019047242000.

The previous prime is 1023123431207. The next prime is 1023123431227. The reversal of 1023123431219 is 9121343213201.

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 1023123431219 - 2²⁸ = 1022854995763 is a prime.

It is a super-2 number, since 2×1023123431219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023123431819) 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, 2038094234 + ... + 2038094735.

It is an arithmetic number, because the mean of its divisors is an integer number (256799905110).

Almost surely, 2^{1023123431219} is an apocalyptic number.

1023123431219 is a deficient number, since it is larger than the sum of its proper divisors (4076189221).

1023123431219 is an equidigital number, since it uses as much as digits as its factorization.

1023123431219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076189220.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 1023123431219 in words is "one trillion, twenty-three billion, one hundred twenty-three million, four hundred thirty-one thousand, two hundred nineteen".