1423240155153 has 44 divisors (see below), whose sum is σ = 2247210383440. Its totient is φ = 898887810456.

The previous prime is 1423240155133. The next prime is 1423240155179. The reversal of 1423240155153 is 3515510423241.

1423240155153 is a `hidden beast` number, since 1 + 4 + 232 + 401 + 5 + 5 + 15 + 3 = 666.

It is not a de Polignac number, because 1423240155153 - 2¹² = 1423240151057 is a prime.

It is a super-2 number, since 2×1423240155153² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423240155133) by changing a digit.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 487650 + ... + 1756212.

It is an arithmetic number, because the mean of its divisors is an integer number (51072963260).

Almost surely, 2^{1423240155153} is an apocalyptic number.

It is an amenable number.

1423240155153 is a deficient number, since it is larger than the sum of its proper divisors (823970228287).

1423240155153 is an frugal number, since it uses more digits than its factorization.

1423240155153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268612 (or 1268585 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 1423240155153 its reverse (3515510423241), we get a palindrome (4938750578394).

The spelling of 1423240155153 in words is "one trillion, four hundred twenty-three billion, two hundred forty million, one hundred fifty-five thousand, one hundred fifty-three".