5404121423 has 4 divisors (see below), whose sum is σ = 5639083248. Its totient is φ = 5169159600.

The previous prime is 5404121419. The next prime is 5404121431. The reversal of 5404121423 is 3241214045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3241214045 = 5 ⋅648242809.

It is a cyclic number.

It is not a de Polignac number, because 5404121423 - 2² = 5404121419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5404121392 and 5404121401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5404121413) 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, 117480878 + ... + 117480923.

It is an arithmetic number, because the mean of its divisors is an integer number (1409770812).

Almost surely, 2^5404121423 is an apocalyptic number.

5404121423 is a deficient number, since it is larger than the sum of its proper divisors (234961825).

5404121423 is a wasteful number, since it uses less digits than its factorization.

5404121423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234961824.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 5404121423 is about 73512.7296663646. The cubic root of 5404121423 is about 1754.8568669777.

Adding to 5404121423 its reverse (3241214045), we get a palindrome (8645335468).

The spelling of 5404121423 in words is "five billion, four hundred four million, one hundred twenty-one thousand, four hundred twenty-three".