44423121402423 has 12 divisors (see below), whose sum is σ = 65218644536968. Its totient is φ = 29129915673360.

The previous prime is 44423121402397. The next prime is 44423121402463. The reversal of 44423121402423 is 32420412132444.

44423121402423 is a `hidden beast` number, since 4 + 44 + 231 + 2 + 140 + 242 + 3 = 666.

It is not a de Polignac number, because 44423121402423 - 2¹⁶ = 44423121336887 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 (44423121402463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40458215665 + ... + 40458216762.

Almost surely, 2^{44423121402423} is an apocalyptic number.

44423121402423 is a deficient number, since it is larger than the sum of its proper divisors (20795523134545).

44423121402423 is a wasteful number, since it uses less digits than its factorization.

44423121402423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80916432494 (or 80916432491 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 44423121402423 its reverse (32420412132444), we get a palindrome (76843533534867).

The spelling of 44423121402423 in words is "forty-four trillion, four hundred twenty-three billion, one hundred twenty-one million, four hundred two thousand, four hundred twenty-three".