223142502465 has 96 divisors (see below), whose sum is σ = 418754868480. Its totient is φ = 109537463808.

The previous prime is 223142502463. The next prime is 223142502491. The reversal of 223142502465 is 564205241322.

223142502465 is a `hidden beast` number, since 2 + 2 + 3 + 142 + 50 + 2 + 465 = 666.

It is not a de Polignac number, because 223142502465 - 2¹ = 223142502463 is a prime.

It is a super-3 number, since 3×223142502465³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223142502463) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23183644 + ... + 23193266.

It is an arithmetic number, because the mean of its divisors is an integer number (4362029880).

Almost surely, 2^223142502465 is an apocalyptic number.

It is an amenable number.

223142502465 is a deficient number, since it is larger than the sum of its proper divisors (195612366015).

223142502465 is a wasteful number, since it uses less digits than its factorization.

223142502465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10423 (or 10420 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 223142502465 its reverse (564205241322), we get a palindrome (787347743787).

The spelling of 223142502465 in words is "two hundred twenty-three billion, one hundred forty-two million, five hundred two thousand, four hundred sixty-five".