20223142403 has 8 divisors (see below), whose sum is σ = 21104820000. Its totient is φ = 19341665728.

The previous prime is 20223142399. The next prime is 20223142427. The reversal of 20223142403 is 30424132202.

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

It is a cyclic number.

It is not a de Polignac number, because 20223142403 - 2² = 20223142399 is a prime.

It is a super-2 number, since 2×20223142403² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20223142003) 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, 177473 + ... + 268221.

It is an arithmetic number, because the mean of its divisors is an integer number (2638102500).

Almost surely, 2^20223142403 is an apocalyptic number.

20223142403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20223142403 is a deficient number, since it is larger than the sum of its proper divisors (881677597).

20223142403 is an equidigital number, since it uses as much as digits as its factorization.

20223142403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100461.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20223142403 its reverse (30424132202), we get a palindrome (50647274605).

The spelling of 20223142403 in words is "twenty billion, two hundred twenty-three million, one hundred forty-two thousand, four hundred three".