16401416023 has 4 divisors (see below), whose sum is σ = 16403934640. Its totient is φ = 16398897408.

The previous prime is 16401416021. The next prime is 16401416027. The reversal of 16401416023 is 32061410461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32061410461 = 41 ⋅781985621.

It is a cyclic number.

It is not a de Polignac number, because 16401416023 - 2¹ = 16401416021 is a prime.

It is a super-2 number, since 2×16401416023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16401415982 and 16401416000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16401416021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249515 + ... + 1262572.

It is an arithmetic number, because the mean of its divisors is an integer number (4100983660).

Almost surely, 2^16401416023 is an apocalyptic number.

16401416023 is a deficient number, since it is larger than the sum of its proper divisors (2518617).

16401416023 is an equidigital number, since it uses as much as digits as its factorization.

16401416023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518616.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 16401416023 its reverse (32061410461), we get a palindrome (48462826484).

The spelling of 16401416023 in words is "sixteen billion, four hundred one million, four hundred sixteen thousand, twenty-three".