20132402423 has 8 divisors (see below), whose sum is σ = 23299706880. Its totient is φ = 17037909720.

The previous prime is 20132402401. The next prime is 20132402449. The reversal of 20132402423 is 32420423102.

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 20132402423 - 2¹² = 20132398327 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 (20132402453) 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, 18202343 + ... + 18203448.

It is an arithmetic number, because the mean of its divisors is an integer number (2912463360).

Almost surely, 2^20132402423 is an apocalyptic number.

20132402423 is a deficient number, since it is larger than the sum of its proper divisors (3167304457).

20132402423 is an equidigital number, since it uses as much as digits as its factorization.

20132402423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36405877.

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

Adding to 20132402423 its reverse (32420423102), we get a palindrome (52552825525).

The spelling of 20132402423 in words is "twenty billion, one hundred thirty-two million, four hundred two thousand, four hundred twenty-three".