1022155230023 has 4 divisors (see below), whose sum is σ = 1045926281928. Its totient is φ = 998384178120.

The previous prime is 1022155229989. The next prime is 1022155230077. The reversal of 1022155230023 is 3200325512201.

It is a happy number.

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 1022155230023 - 2⁶ = 1022155229959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022155229974 and 1022155230001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022155238023) 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, 11885525888 + ... + 11885525973.

It is an arithmetic number, because the mean of its divisors is an integer number (261481570482).

Almost surely, 2^{1022155230023} is an apocalyptic number.

1022155230023 is a deficient number, since it is larger than the sum of its proper divisors (23771051905).

1022155230023 is an equidigital number, since it uses as much as digits as its factorization.

1022155230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23771051904.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 1022155230023 in words is "one trillion, twenty-two billion, one hundred fifty-five million, two hundred thirty thousand, twenty-three".