4215532123 has 16 divisors (see below), whose sum is σ = 4687142400. Its totient is φ = 3758942880.

The previous prime is 4215532103. The next prime is 4215532129. The reversal of 4215532123 is 3212355124.

It is not a de Polignac number, because 4215532123 - 2¹³ = 4215523931 is a prime.

It is a super-2 number, since 2×4215532123² = 35541422160089774258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4215532091 and 4215532100.

It is not an unprimeable number, because it can be changed into a prime (4215532129) 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, 293473 + ... + 307501.

It is an arithmetic number, because the mean of its divisors is an integer number (292946400).

Almost surely, 2^4215532123 is an apocalyptic number.

4215532123 is a deficient number, since it is larger than the sum of its proper divisors (471610277).

4215532123 is a wasteful number, since it uses less digits than its factorization.

4215532123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14562.

The product of its digits is 7200, while the sum is 28.

The square root of 4215532123 is about 64927.1293297340. The cubic root of 4215532123 is about 1615.4150860135.

Adding to 4215532123 its reverse (3212355124), we get a palindrome (7427887247).

The spelling of 4215532123 in words is "four billion, two hundred fifteen million, five hundred thirty-two thousand, one hundred twenty-three".