123432022021 has 16 divisors (see below), whose sum is σ = 154082436480. Its totient is φ = 96060070080.

The previous prime is 123432022001. The next prime is 123432022097. The reversal of 123432022021 is 120220234321.

It is a cyclic number.

It is not a de Polignac number, because 123432022021 - 2¹¹ = 123432019973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123432021983 and 123432022001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123432022001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944286 + ... + 1067023.

It is an arithmetic number, because the mean of its divisors is an integer number (9630152280).

Almost surely, 2^123432022021 is an apocalyptic number.

123432022021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123432022021 is a deficient number, since it is larger than the sum of its proper divisors (30650414459).

123432022021 is a wasteful number, since it uses less digits than its factorization.

123432022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012124.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 123432022021 its reverse (120220234321), we get a palindrome (243652256342).

The spelling of 123432022021 in words is "one hundred twenty-three billion, four hundred thirty-two million, twenty-two thousand, twenty-one".