22003402003023 has 8 divisors (see below), whose sum is σ = 33528993528448. Its totient is φ = 12573372573144.

The previous prime is 22003402003001. The next prime is 22003402003031. The reversal of 22003402003023 is 32030020430022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22003402003023 - 2²² = 22003397808719 is a prime.

It is a super-2 number, since 2×22003402003023² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1047781047763 = 22003402003023 / (2 + 2 + 0 + 0 + 3 + 4 + 0 + 2 + 0 + 0 + 3 + 0 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22003402003073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523890523861 + ... + 523890523902.

It is an arithmetic number, because the mean of its divisors is an integer number (4191124191056).

Almost surely, 2^{22003402003023} is an apocalyptic number.

22003402003023 is a deficient number, since it is larger than the sum of its proper divisors (11525591525425).

22003402003023 is a wasteful number, since it uses less digits than its factorization.

22003402003023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047781047773.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 22003402003023 its reverse (32030020430022), we get a palindrome (54033422433045).

The spelling of 22003402003023 in words is "twenty-two trillion, three billion, four hundred two million, three thousand, twenty-three".