1022153512423 has 4 divisors (see below), whose sum is σ = 1022809160880. Its totient is φ = 1021497863968.

The previous prime is 1022153512399. The next prime is 1022153512433. The reversal of 1022153512423 is 3242153512201.

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 1022153512423 - 2¹³ = 1022153504231 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 (1022153512433) 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, 327821890 + ... + 327825007.

It is an arithmetic number, because the mean of its divisors is an integer number (255702290220).

Almost surely, 2^{1022153512423} is an apocalyptic number.

1022153512423 is a deficient number, since it is larger than the sum of its proper divisors (655648457).

1022153512423 is an equidigital number, since it uses as much as digits as its factorization.

1022153512423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655648456.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 1022153512423 in words is "one trillion, twenty-two billion, one hundred fifty-three million, five hundred twelve thousand, four hundred twenty-three".