20014256423 has 8 divisors (see below), whose sum is σ = 24077301120. Its totient is φ = 16252178040.

The previous prime is 20014256399. The next prime is 20014256429. The reversal of 20014256423 is 32465241002.

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

It is not a de Polignac number, because 20014256423 - 2¹² = 20014252327 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 (20014256429) 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, 75241433 + ... + 75241698.

It is an arithmetic number, because the mean of its divisors is an integer number (3009662640).

Almost surely, 2^20014256423 is an apocalyptic number.

20014256423 is a deficient number, since it is larger than the sum of its proper divisors (4063044697).

20014256423 is a wasteful number, since it uses less digits than its factorization.

20014256423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150483157.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20014256423 its reverse (32465241002), we get a palindrome (52479497425).

The spelling of 20014256423 in words is "twenty billion, fourteen million, two hundred fifty-six thousand, four hundred twenty-three".