49142423 has 16 divisors (see below), whose sum is σ = 54933120. Its totient is φ = 43586400.

The previous prime is 49142419. The next prime is 49142473. The reversal of 49142423 is 32424194.

It is not a de Polignac number, because 49142423 - 2² = 49142419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49142473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96293 + ... + 96801.

It is an arithmetic number, because the mean of its divisors is an integer number (3433320).

Almost surely, 2^49142423 is an apocalyptic number.

49142423 is a deficient number, since it is larger than the sum of its proper divisors (5790697).

49142423 is a wasteful number, since it uses less digits than its factorization.

49142423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718.

The product of its digits is 6912, while the sum is 29.

The square root of 49142423 is about 7010.1656899106. The cubic root of 49142423 is about 366.2847649947.

It can be divided in two parts, 4914 and 2423, that added together give a palindrome (7337).

The spelling of 49142423 in words is "forty-nine million, one hundred forty-two thousand, four hundred twenty-three".