1423000144551 has 16 divisors (see below), whose sum is σ = 1924352496864. Its totient is φ = 935233388544.

The previous prime is 1423000144549. The next prime is 1423000144561. The reversal of 1423000144551 is 1554410003241.

It is not a de Polignac number, because 1423000144551 - 2¹ = 1423000144549 is a prime.

It is a super-2 number, since 2×1423000144551² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423000144561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9438900 + ... + 9588473.

It is an arithmetic number, because the mean of its divisors is an integer number (120272031054).

Almost surely, 2^{1423000144551} is an apocalyptic number.

1423000144551 is a deficient number, since it is larger than the sum of its proper divisors (501352352313).

1423000144551 is a wasteful number, since it uses less digits than its factorization.

1423000144551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19027730.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1423000144551 its reverse (1554410003241), we get a palindrome (2977410147792).

The spelling of 1423000144551 in words is "one trillion, four hundred twenty-three billion, one hundred forty-four thousand, five hundred fifty-one".