223134507 has 14 divisors (see below), whose sum is σ = 334549812. Its totient is φ = 148755852.

The previous prime is 223134493. The next prime is 223134529. The reversal of 223134507 is 705431322.

223134507 is a `hidden beast` number, since 2 + 23 + 134 + 507 = 666.

223134507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223134507 - 2⁴ = 223134491 is a prime.

It is a super-3 number, since 3×223134507³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (223134407) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 152313 + ... + 153770.

Almost surely, 2^223134507 is an apocalyptic number.

223134507 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

223134507 is a deficient number, since it is larger than the sum of its proper divisors (111415305).

223134507 is an frugal number, since it uses more digits than its factorization.

223134507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306101 (or 306086 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 223134507 is about 14937.6874716269. The cubic root of 223134507 is about 606.5345983429.

Adding to 223134507 its reverse (705431322), we get a palindrome (928565829).

The spelling of 223134507 in words is "two hundred twenty-three million, one hundred thirty-four thousand, five hundred seven".