123132003445 has 32 divisors (see below), whose sum is σ = 167643256320. Its totient is φ = 86027235840.

The previous prime is 123132003427. The next prime is 123132003479. The reversal of 123132003445 is 544300231321.

It is a happy number.

It is not a de Polignac number, because 123132003445 - 2¹¹ = 123132001397 is a prime.

It is a super-2 number, since 2×123132003445² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222192 + ... + 543721.

It is an arithmetic number, because the mean of its divisors is an integer number (5238851760).

Almost surely, 2^123132003445 is an apocalyptic number.

It is an amenable number.

123132003445 is a deficient number, since it is larger than the sum of its proper divisors (44511252875).

123132003445 is a wasteful number, since it uses less digits than its factorization.

123132003445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766045.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 123132003445 its reverse (544300231321), we get a palindrome (667432234766).

The spelling of 123132003445 in words is "one hundred twenty-three billion, one hundred thirty-two million, three thousand, four hundred forty-five".