22001432123 has 8 divisors (see below), whose sum is σ = 24002731776. Its totient is φ = 20000327400.

The previous prime is 22001432083. The next prime is 22001432153. The reversal of 22001432123 is 32123410022.

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 22001432123 - 2¹² = 22001428027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22001432095 and 22001432104.

It is not an unprimeable number, because it can be changed into a prime (22001432153) 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, 289178 + ... + 357248.

It is an arithmetic number, because the mean of its divisors is an integer number (3000341472).

Almost surely, 2^22001432123 is an apocalyptic number.

22001432123 is a deficient number, since it is larger than the sum of its proper divisors (2001299653).

22001432123 is a wasteful number, since it uses less digits than its factorization.

22001432123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97465.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22001432123 its reverse (32123410022), we get a palindrome (54124842145).

The spelling of 22001432123 in words is "twenty-two billion, one million, four hundred thirty-two thousand, one hundred twenty-three".