4123020434 has 64 divisors (see below), whose sum is σ = 7154784000. Its totient is φ = 1766983680.

The previous prime is 4123020431. The next prime is 4123020437. The reversal of 4123020434 is 4340203214.

It is an interprime number because it is at equal distance from previous prime (4123020431) and next prime (4123020437).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (4123020431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8262317 + ... + 8262815.

It is an arithmetic number, because the mean of its divisors is an integer number (111793500).

Almost surely, 2^4123020434 is an apocalyptic number.

4123020434 is a deficient number, since it is larger than the sum of its proper divisors (3031763566).

4123020434 is a wasteful number, since it uses less digits than its factorization.

4123020434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 4123020434 is about 64210.7501435702. The cubic root of 4123020434 is about 1603.5105774474.

Adding to 4123020434 its reverse (4340203214), we get a palindrome (8463223648).

The spelling of 4123020434 in words is "four billion, one hundred twenty-three million, twenty thousand, four hundred thirty-four".